Retrieving Data From .MDF???
Jun 26, 2006
Dear fellows,
Up to the moment I've got enough knowledge for read data stored into .LDF files by dbcc log and so on. It's very useful and interesting. Now, I wonder how to retrieve the same information but on MDF files.
At first, I want to make sure that is not possible by mean of traditional methods (dbcc or something like that) I suppose so but I'd like to hear opinions regarding that.
Thanks in advance for any idea, though or further information.
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Jun 15, 2004
Hi
I've got a module that contains the following function.
Imports System.Data.SqlClient
Module SQL_Sprocs
Function ListUsers()
Dim conn As New SqlConnection(System.Configuration.ConfigurationSettings.AppSettings("DBConn"))
Dim cmd As SqlCommand = New SqlCommand("list_users", conn)
cmd.CommandType = CommandType.StoredProcedure
conn.Open()
Dim dr As SqlDataReader
dr = cmd.ExecuteReader
ListUsers = dr
dr.Close()
conn.Close()
End Function
End Module
I then want to call this function from my webform. So I'm using the following
Dim dr As SqlClient.SqlDataReader
dr = Timetracker.SQLProcs.ListUsers()
Do While dr.Read
Label1.Text &= dr("first_name") & " " & dr("last_name") & ", "
Loop
dr.Close()
But it's not working. I want to have a module that contains all my sprocs and be able to call them from the individual webpages.
What am I doing wrong?
Lbob
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Dec 21, 2006
Faculty member writes:
"I meant to delete just one assignment, doing which was giving me difficulty.
I deleted a whole category by accident which had most of my daily grades in it for a course with quite a few of them. I was negligent in backing them up, so I cannot restore them. I have an XLS file from the midterm, but am missing about 6 grades after that.
Is there any way to recover the grades I had in the deleted category. It has been a couple of days since I entered any new grades. HELP!"
My current backup strategy is to do a full backup 5 pm, differentials every 2 hours, logs every 30 min, all so they arenot simultaneous. Backing these all to same backup device via three different jobs.
Then the server is backed up to tape shortly after the 5 pm full backup.
Obviously, I can't restore from the backup for this situation because it would hurt other data.
But - is there a way I can take last night's backup from tape and restore it to a different database than our production database? (Such a database doesn't at this time exist. Would I detach, copy over the files, and then reattach on prod and attach on the devl side, and then restore from the backup device to the devl copy?)
I've never had to perform this kind of rescue and am wondering if my backup strategy is flawed since it isn't immediately evident how I can easily do this.
I needed a similar thing from our Oracle DBA yesterday, and he went to tape, copied out a table and put it on the Oracle database under a different owner, and I easily fixed the few records that I had botched.
That's exactly what I need to do now with MS SQL 2000.
As the faculty dude said, "HELP!"
And Thanks.
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Oct 26, 2005
Hi,
I was hoping someone would be able to help me, I trying to go through several databases, 111 to be exact, and get the data out of a particular table which is present in all the databases on the same server.
I know how to get the names of the databases from the INFORMATION_SCHEMA, but how can use the name for it to cycle through all the databases and get data out of the one particular table.
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Apr 23, 2007
Hi, I need some help. I have this query where i need to pull up students that have more than or equal to 3 absences in a row. Now I am getting all those students that are absent but not in a row. But i was wondering if there is a way to tell if a student was absent three days in a row . There is a date field that is being used to identify the day of the class and a status field that identifies if the student was absent or present. Please help someone.
Birju
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Feb 5, 2008
this is a simple problem but it's just driving me mad as it's not reading from my dB. basically, I've have reviews stored in my dB and want to display them in a textbox by clicking on a button called btnReviews. I think the problem might be that there is too much text stored per row of the table (as it is a review), but I have the datatype set as text in sql. here's the simple un-errorred code I have behind the button. any ideas where I went wrong. i've a feeling it's something small but it's just taken too long to figure out.protected void btnReviews_Click(object sender, EventArgs e) { String strConn = ConfigurationManager.ConnectionStrings["conLocalDatabase"].ConnectionString; SqlConnection dbConnection = new SqlConnection(strConn); SqlCommand dbCommand = new SqlCommand("Select [ReviewC] From [Review])", dbConnection); dbCommand.Parameters.AddWithValue("Review", txtReviewView.Text); try { dbConnection.Open(); dbCommand.ExecuteNonQuery(); } catch (SqlException ex) { Console.WriteLine(ex.ToString()); } finally { if (dbConnection != null) { dbConnection.Close(); } } }
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Apr 28, 2008
Hi
I ve a datagrid . And Two Database table in sqlServer2005. The name of the tables are 'Property' and 'userid'.
My datagrid wants to retrive all records from Property table and one record from userid table. The Property table contains Propertycode, lastdate , departmentname.
The userid table contains so many record along with 'id' record which my datagrid wants to retrieve.
pl tel me how 2 write code for that?
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Jul 18, 2005
I have four tables that need to be loaded into an ASP.NET application. They need to be loaded together into one result set and sorted. Is it possible to load four tables together and sort them using an SQL statement?
To clarify, say I have the following data:
Table1: Anglesey, Cardiff, Ceredigion
Table2: London, Dorset, Lancashire
Table3: Antrim, Armagh
Table4: Glasgow, Berwick, Edinburgh
I'd want the data retrieved from all four tables and sorted so that the data retrieved would be:
Anglesey, Antrim, Armagh, Berwick, Cardiff, Ceredigion, Dorset, Edinburgh, Glasgow, Lancashire, London
I am aware of and am using the SELECT ... ORDER BY feature of MSSQL in my present ASP.NET application to retrieve from single database tables. I'm using merged datasets and a sort method to solve the above problem at the moment.
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May 16, 2012
I'm preparing a report that will display provider number, provider name, and a single field that will show all the counties that specific provider serves. I realize from researching the coalesce posts that this can be done. However, when I try to retrieve data in the same select statement as my coalesce, I get the error: "A SELECT statement that assigns a value to a variable must not be combined with data-retrieval operations."The listing of the counties must be specific to the provider, so my original code was:
DECLARE @Counties varchar(1000)
SET @Counties = ''
SELECT a.PROV_ID, a.PROV_NAME,
@Counties=coalesce(@Counties,'') + b.COUNTY + ','
from ECBH.dbo.tbl_PROVIDERS a inner join ECBH.dbo.tbl_Provider_Serv_Regions c
on a.PROV_ID = c.PROV_ID
inner join ECBH.dbo.tbl_Regions b
on b.REGION_ID = c.REGION_ID
where c.PROV_ID = a.PROV_ID
and a.MASTER = 1
I thought about creating a table to hold the coalesced values (need to coalesce two other fields as well), but wouldn't an insert to a table fail for the same reason?The counties table does not relate to the provider table, but does relate to a provider_county table (which in turn relates to the provider table).
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Mar 4, 2008
Hello,
Thank you for reading this. I am faced with a problem where there is no storage of deleted or updated information in an OLTP DB. I am mostly concerned about retrieving the deleted data from a table when an update occurs so as to make the deleted data show as an error. Is there a way to retrieve these kind of data from a DB, if so how? Can these data be retrieved by dates? Also how much time do you have before the data can no longer be retrieved? Assuming that the data can be retrieved.
I know the good stuff about datawarehousing but unfortunately we have no DW. Any help will be greatly appreciated.
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Mar 27, 2008
I want to extract a particular portion of primary key field data.For example- suppose there are fifty data in PK field starting from 1...50.Now I want only to extract data from 25 to 50.It is bcos I want to retrieve only the new data that is inserted after a specified time.For example-today there is data starting from 1 to 25 which I have retrieved and saved elsewhere.By tomorrow there will be new data starting from 26 to 50 or more.Now I just want to extract this additional data from the database so that I dont need to extract all data again.Could anybody pls tell me how to do this.How can I do it using common SQL bcos I have to make a program for it.
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Mar 27, 2008
I want to extract a particular portion of primary key field data.For example- suppose there are fifty data in PK field starting from 1...50.Now I want only to extract data from 25 to 50.It is bcos I want to retrieve only the new data that is inserted after a specified time.For example-today there is data starting from 1 to 25 which I have retrieved and saved elsewhere.By tomorrow there will be new data starting from 26 to 50 or more.Now I just want to extract this additional data from the database so that I dont need to extract all data again.Could anybody pls tell me how to do this.How can I do it using common SQL bcos I have to make a program for it.
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Mar 15, 2007
I am trying to retrieve data that has been inserted into the database but only half the text is being displayed.
The field is varchar(8000)
In the Enterprise Manager I can view the data, then I copy and paste it into MS Word and everything is there.
851 Characters with spaces.
However, when I enter the SQL code into SQL Query Analyzer only half the text shows, about 257 characters are displayed with spaces.
When I display the information on the webpage only half the text is displayed (running IIS/PHP 5)
I don't know why this is doing this and not sure what I can do to display the full text.
Please help.
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Jun 4, 2006
Hi all,
I am working on a project on PocketPC in which it is required to reteive data from database. I have created database on simulator as .sdf file. I want to retreive data from eVC++ code. How i can do so?
thanx
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Oct 23, 2006
Hi to all,I made a database using SQL Server 2005 and now I want to interact with that database through VC++ 2005. Is that possible?? If so, how can I do it?
Thanks in advance!!!
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Aug 30, 2007
Hello,
I am trying to retrieve only the first few characters (12 to be precise) from this string that is coming in from FoxPro to SQL Server 2005 and I am coding in C#. I have tried these methods (after reading it in a book, as I am new to this) but it still gives me an error saying that the field cannot exceed 12 characters.
autoClaimSalvage.Phone = "Select LEFT ('" + (string)(drInputDataSource["OWNPHN"]) + "',12) From '" + entityManager.TargetTable + "'";
autoClaimSalvage.Phone = "Select LTRIM(RTRIM(OWNPHN)) From '" + entityManager.TargetTable + "'";
autoClaimSalvage.Phone = "Select LTRIM(RTRIM('" + ((string)(drInputDataSource["OWNPHN"])) + "'))" + entityManager.TargetTable + "'";
Please let me know what i am doing wrong and if anyone has a sample code or if you can point me in the right direction, I will appreciate it.
Thanks for your help in advance.
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Jan 9, 2007
I have been thinking of using SQL server 2005 as i would like the flexibility i get through UDT. Retrieving the UDT data in managed could is ok but i would like to retrieve it in non .NET languages too.
For example lets say i create a UDT "Point". I insert data in a table that has some columns of type point.
Now is there a way i can get the data of the type point in a point object in non .NET languages like perl, python...
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Feb 21, 2008
Hi,
I am using Visual Studio 2008 with .NET 3.5 Visual Basic. I'm having a problem retrieving data from my SQL CE database.
I have a function that imports a file, parses it and writes the contents to a database. When I then query the database from my code, the data I have just written doesnt seem to be there. Even when i close and re-run the program. Only when I first view the table contents through Visual Studio then re-run the program does the data show up.
The things I know are. When I insert data there is no problem. I can view the data through visual studio server explorer. only when I view data through the server explorer can my code retrieve it.
Could this be something to do with caching? Any help would be appreciated. The (stripped down) code I use to insert data is below
kevin
Dim rowsAffected = 0
Dim connection As New SqlServerCe.SqlCeConnection(connectionstring)
Dim transaction As SqlCeTransaction
' command objects for inserting a ContactList and retrieving its last identity
Dim cmdInsertContactList As New SqlServerCe.SqlCeCommand("INSERT INTO ContactLists (Name, FolderID) VALUES (@Name,@FolderID)")
cmdInsertContactList.Parameters.Add("@Name", SqlDbType.NVarChar)
cmdInsertContactList.Parameters.Add("@FolderID", SqlDbType.NVarChar)
Try
connection.Open()
transaction = connection.BeginTransaction()
cmdInsertContactList.Connection = connection
cmdInsertContactList.Transaction = transaction
' insert a new list
cmdInsertContactList.Parameters("@Name").Value = list.Name
cmdInsertContactList.Parameters("@FolderID").Value = folder.ID
rowsAffected += CInt(cmdInsertContactList.ExecuteScalar())
transaction.Commit()
Finally
connection.Close()
End Try
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Mar 31, 2007
I have created the following stored procedure and tried to retrieve it's output value in C#, however I am getting exceptions. Can anyone tell me what I am doing wrong? Thanks! 1 ALTER PROCEDURE [dbo].[GetCustomerById]
2
3 @CustId NCHAR(5),
4 @CustomerName NVARCHAR(50) OUTPUT
5
6 AS
7 BEGIN
8
9 SELECT @CustomerName = ContactName
10 FROM Customers
11 WHERE CustomerId = @CustId
12
13 END
14
15 RETURN
16
17
18
19
20
21
22 SqlConnection conn = GetConnection(); //retrieves a new SqlConnection
23 SqlCommand cmd = new SqlCommand();
24 cmd.Connection = conn;
25 cmd.CommandType = CommandType.StoredProcedure;
26 cmd.CommandText = "GetCustomerById";
27
28 SqlParameter paramCustId = new SqlParameter();
29 paramCustId.ParameterName = "@CustId";
30 paramCustId.SqlDbType = SqlDbType.NChar;
31 paramCustId.Direction = ParameterDirection.Input;
32 paramCustId.Value = "ALFKI";
33
34 SqlParameter paramCustomerName = new SqlParameter();
35 paramCustomerName.ParameterName = "@CustomerName";
36 paramCustomerName.SqlDbType = SqlDbType.NVarChar;
37 paramCustomerName.Direction = ParameterDirection.Output;
38
39 cmd.Parameters.Add(paramReturn);
40 cmd.Parameters.Add(paramCustId);
41 cmd.Parameters.Add(paramCustomerName);
42
43 conn.Open();
44 SqlDataReader reader = cmd.ExecuteReader();
45
46 string custName = cmd.Parameters["@CustomerName"].Value.ToString();
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Apr 13, 2007
I attach my SQL Server Express data file to my host. I would like to copy all of my member information back to my local computer. How can I do this? My host won't allow my to physically copy the data file over. My host is discountasp.net. Thanks,Jeff
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May 10, 2007
Hi, I am using visual web developer 2005 express edition and Microsoft SQL 2005 to develop a fast-food ordering website and I am having trouble in retrieving data from a database table into a form. Can some one please teach me the way to write the syntax for retrieving or selecting a inserted value from the database? I have only know the syntax to insert data value from a form which is something like this:
'Create a New Connection to our daabase
Dim test As SqlDataSource = New SqlDataSource()
test.ConnectionString = ConfigurationManager.ConnectionStrings("Connectionstring1").ToString
'This is the SQL Insert Command
test.InsertCommand = "Insert into Customer([Initial],[Correspondent_Name],[Correspondent_No],[Payment_Type]) VALUES (@Initial,@Correspondent_Name,@Correspondent_No,@Payment_Type)"
'Each of this insert a value into the appropriate command
test.InsertParameters.Add("Initial", DropDownList4.SelectedValue) 'This is the selected "Initial" DropDownList value
test.InsertParameters.Add("Correspondent_Name", TextBox10.Text) 'This is the Correspondent_Name value
test.InsertParameters.Add("Correspondent_No", TextBox3.Text) 'This is correspondent_no value
test.InsertParameters.Add("Payment_Type", "Pay upon delivery") 'This indicates that the payment is made with credit card
test.Insert()
But I have no idea the syntax to retrieve a data. Please help me with this matter as it is important to me. Thanks in advance!
Regards,
Ivan
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Sep 18, 2007
Heres my requirement from a financial analysis im doing...I have just calculated an industry averages on financial ratios...Now i wanna upload this industry average to the system...so that I can compare it to the individual companies' averages after calculating a particular company's average; meaning i wanna be able to call the industry average of a particular ratio (eg Current Ratio) after calculating a company's corresponding ratio...Is there a code fragment i can use for this ?? Thanks in advance...Adam
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Jan 30, 2008
Hi i have a junction table(UserGroups) which is linking my users table with my groups table, however when the information is coming back in the format below, instead i want the group names to appear in only one field, instead of repeating the same data, could someone please tell me what i need to change
UserName: Edwin CarolsUserAge: 28JobTitle: ManagerGroupName: MUFC
UserName: Edwin CarolsUserAge: 28JobTitle: ManagerGroupName: AFC
Below is my SQL statement;
SELECT Users.UserName,Users.UserAge, Users.JobTitle, Groups.GroupName FROM Users INNER JOIN UserGroups ON Users.UserID = UserGroups.UserID INNER JOIN Groups ON UserGroups.GroupID = Groups.GroupID WHERE (Users.UserID = '5')
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May 29, 2008
Hi I hop i make sense with this, i have a page where you can update a products price based on the year, so for instance some products will still have prices set in 2007, while some may have prices which will be set in 2008, what i am trying to do is if the price has been set in 2008 it shows this value. The fields in the table which control the values are Rate(controls 2007), and Rate2007Period2. What i am trying to do is if Rate2007Period2 is null or 0, then display the 2007 rate, and if Rate2007Period2 is greater than 0 then display that value. Here is the view which displays the rates;
SELECT dbo.tblRateSchedule.MA_Code, dbo.tblRateSchedule.SOR_Code, dbo.tblRateSchedule.DESCRIPTION, dbo.tblRateSchedule.SWT, dbo.tblRateSchedule.Rate, dbo.tblRateSchedule.Tstamp, dbo.tblRateSchedule.RateSchedule_ID, dbo.tblRateSchedule.RateScheduleUnit_ID, dbo.tblRateSchedule.RateScheduleType_ID, dbo.tblRateSchedule.WorkType_ID, dbo.tblRateScheduleUnit.Unit, dbo.tblWorkType.Work_Type_Description, dbo.tblRateScheduleType.Type, dbo.tblRateSchedule.Work_Type_Description AS Expr1, dbo.tblRateSchedule.Rate_Active, dbo.tblHistoricalRateSchedule.Rate2006Period1, dbo.tblHistoricalRateSchedule.Rate2007Period1, dbo.tblHistoricalRateSchedule.Rate2007Period2FROM dbo.tblRateSchedule INNER JOIN dbo.tblHistoricalRateSchedule ON dbo.tblRateSchedule.MA_Code = dbo.tblHistoricalRateSchedule.MA_Code LEFT OUTER JOIN dbo.tblRateScheduleType ON dbo.tblRateSchedule.RateScheduleType_ID = dbo.tblRateScheduleType.RateScheduleType_ID LEFT OUTER JOIN dbo.tblWorkType ON dbo.tblRateSchedule.WorkType_ID = dbo.tblWorkType.WorkType_ID LEFT OUTER JOIN dbo.tblRateScheduleUnit ON dbo.tblRateSchedule.RateScheduleUnit_ID = dbo.tblRateScheduleUnit.RateScheduleUnit_IDWHERE (dbo.tblRateSchedule.Rate_Active = '1')
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Jan 27, 2006
Hey,
I need to retrieve info from a database and display it using a repeater control. No problems there! But, I need to add data before displaying it, and I don't mean add data to the database but rather to the repeater control. For eaxample:
I have a simple database containing two fields: [date] and [event]. The repeater will display these events in a monthly view. That is: the repeater will have 31 rows and the events will be displayed next to the day it happens. Now if there's nothing happening a certain day then I need to add that day manually because it will not be bound, right! See my problem?
In other words, how do i loop through a records when using the SqlDataSource?
Thanks,Björn Andersson
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May 31, 2008
Hi I hope i make sense this time around, I have a page in which a customer can either add a new product and its rate as well as update an existing product. What i am trying to achieve is get the live rate of the product, when a user goes to order the product. Each existing product can be updated twice in a year either in period 1 or period 2, therefore there is a possibility that a rate hasnt been updated which means the price should be the alst updated rate. Therefore the following are the possible rates which the product can have;
dbo.tblRateSchedule.Rate - This will be the rate when a product is new and has just been added, therefore no previous rates.
dbo.tblHistoricalRateSchedule.Rate2007Period2- Most existing products are still having this rate as their latest rate.
dbo.tblRateSchedule.RateScheduleYear2008Period1Rate - This is the rate when a rate has been updated in 2008 period 1
dbo.tblRateSchedule.RateScheduleYear2008Period2Rate - This is the rate when a rate has been updated in 2008 period 2
What i am trying to do is get the latest rate as it stands in the system, based on the above scenarios. This what I have so far, i tried to use the ISNULL, however that didnt work for probably because there are four instances. The following is the "view" which returns the rates.
Code:
SELECT dbo.tblWorkSchedule.Survey_ID, dbo.tblWorkSchedule.WorkSchedule_ID, dbo.tblWorkSchedule.WorkScheduleType_ID,
dbo.tblWorkSchedule.ScheduleStatus_ID, dbo.tblWorkSchedule.Qty, dbo.tblRateScheduleUnit.Unit, dbo.tblWorkType.Work_Type_Description,
dbo.tblRateScheduleType.Type, dbo.tblWorkSchedule.MA_Code, dbo.tblRateSchedule.SOR_Code, dbo.tblSurvey.PropertyYear_ID,
dbo.tblSurvey.PropertyPeriod_ID, ISNULL(dbo.tblWorkSchedule.Valuation, 0) AS Valuation, dbo.tblSurvey.WorkScheduleOverallStatus_ID,
dbo.tblSurvey.VariationOverallStatus_ID, dbo.tblWorkSchedule.WorkScheduleLocation_ID, dbo.tblWorkSchedule.Inserted_DateTime,
CASE IsNull(CONVERT(varchar, dbo.tblWorkSchedule.Figure_Description), '')
WHEN '' THEN dbo.tblRateSchedule.DESCRIPTION ELSE dbo.tblWorkSchedule.Figure_Description END AS DESCRIPTION,
CASE IsNull(CONVERT(varchar, dbo.tblWorkSchedule.Figure_Description), '')
WHEN '' THEN tblRateSchedule.SWT ELSE tblWorkSchedule.WorkScheduleLocation_ID END AS SWT, dbo.tblCategory.Category,
dbo.tblScheduleStatus.Schedule_Status, CASE isnull(dbo.tblWorkSchedule.Rate, 0)
WHEN 0 THEN dbo.tblRateSchedule.Rate ELSE tblWorkSchedule.Rate END AS Rate, dbo.tblRateSchedule.WorkType_ID,
dbo.tblWorkSchedule.UpliftedRate AS UPLIFTED_RATE,
CASE dbo.tblWorkSchedule.WorkScheduleType_ID WHEN 1 THEN CASE IsNull(dbo.tblSurvey.WorkScheduleOverallStatus_ID, 0)
WHEN 4 THEN dbo.tblWorkSchedule.UpliftedRate ELSE dbo.GetSWT_PropertyYearPeriodRate(IsNull(tblRateSchedule.WorkType_ID, 0),
tblWorkSchedule.WorkSchedule_ID, tblSurvey.PropertyYear_ID, tblSurvey.PropertyPeriod_ID)
END WHEN 2 THEN CASE IsNull(dbo.tblSurvey.VariationOverallStatus_ID, 0)
WHEN 4 THEN dbo.tblWorkSchedule.UpliftedRate ELSE dbo.GetSWT_PropertyYearPeriodRate(IsNull(tblRateSchedule.WorkType_ID, 0),
tblWorkSchedule.WorkSchedule_ID, tblSurvey.PropertyYear_ID, tblSurvey.PropertyPeriod_ID) END END AS UpliftedRate,
CASE IsNull(dbo.tblWorkSchedule.Rate, 0) WHEN 0 THEN CONVERT(decimal(18, 2), IsNull(dbo.tblRateSchedule.Rate, 0)) * CONVERT(decimal(19, 2),
IsNull(dbo.tblWorkSchedule.Qty, 0)) ELSE CONVERT(decimal(18, 2), IsNull(dbo.tblWorkSchedule.Rate, 0)) * CONVERT(decimal(19, 2),
IsNull(dbo.tblWorkSchedule.Qty, 0)) END AS Total, dbo.tblCompany.IsContractor, dbo.tblCompany.Percentage AS Constructor_Percentage,
dbo.tblCompany.Percentage AS Contractor_Percentage, CASE IsNull(dbo.tblWorkSchedule.Rate, 0) WHEN 0 THEN ((IsNull(tblCompany.Percentage, 0)
/ 100 * (CONVERT(decimal(18, 2), dbo.tblRateSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) + (CONVERT(decimal(18, 2),
dbo.tblRateSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) ELSE ((IsNull(tblCompany.Percentage, 0)
/ 100 * (CONVERT(decimal(18, 2), dbo.tblWorkSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) + (CONVERT(decimal(18, 2),
dbo.tblWorkSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) END AS After_Lift, ISNULL(dbo.tblSurvey.Survey_Completed, 0)
AS Survey_Completed, LTRIM(RTRIM(dbo.tblUser.User_Title)) + ' ' + LTRIM(RTRIM(dbo.tblUser.User_Forename))
+ ' ' + LTRIM(RTRIM(dbo.tblUser.User_Surname)) AS Inserted_By, dbo.tblWorkSchedule.Inserted_By AS InsertedBy_ID,
ISNULL(dbo.tblUploadedFile.File_Name, '') AS File_Name, dbo.tblWorkSchedule.Variation_ID,
dbo.tblHistoricalRateSchedule.Rate2006Period1, dbo.tblHistoricalRateSchedule.Rate2006Period2, dbo.tblHistoricalRateSchedule.Rate2007Period1,
dbo.tblHistoricalRateSchedule.Rate2007Period2, dbo.tblHistoricalRateSchedule.Rate2008Period1,
dbo.tblRateSchedule.RateScheduleYear2008Period1Rate, dbo.tblRateSchedule.RateScheduleYear2008Period2Rate
FROM
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Oct 24, 2005
Hi All;
I'm new to SQL, the long and short is I am trying to access some data from an SQL Table to use in my VBA Code in my MS Access front-end.
Here is what I am doing now;
HSTUHoursPriorPeriods = CDbl(Nz(DLookup("[Hours]", "dbo_TIMS_HSTU_HoursHist_Insync", "[eeLink] =" & EmployeeLink), 0))
I am accessing data (YTD Hours for a selected employee) through the view "dbo_TIMS_HSTU_HoursHist_Insync" which is connected by ODBC to my application. The result "HSTUHoursPriorPeriods" is used to determine the rate of pay for a specific employee and is run literall each time a user enters a pay record at data entry.
Because the view itself returns about 1,000 records, before I select the specific record and associated Hours, it is a little slow from a data entry standpoint.
I understand I can achieve the same result through an SQL Procedure, but
for the life of me I don't know how.
ANY thoughts would be greatly appreciated.
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May 31, 2008
Hi this is my first post i am hoping its the write place. I have a page in which a customer can either add a new product and its rate as well as update an existing product. What i am trying to achieve is get the live rate of the product, when a user goes to order the product. Each existing product can be updated twice in a year either in period 1 or period 2, therefore there is a possibility that a rate hasnt been updated which means the price should be the alst updated rate. Therefore the following are the possible rates which the product can have;
dbo.tblRateSchedule.Rate - This will be the rate when a product is new and has just been added, therefore no previous rates.
dbo.tblHistoricalRateSchedule.Rate2007Period2- Most existing products are still having this rate as their latest rate.
dbo.tblRateSchedule.RateScheduleYear2008Period1Rate - This is the rate when a rate has been updated in 2008 period 1
dbo.tblRateSchedule.RateScheduleYear2008Period2Rate - This is the rate when a rate has been updated in 2008 period 2
What i am trying to do is get the latest rate as it stands in the system, based on the above scenarios. This what I have so far, i tried to use the ISNULL, however that didnt work for probably because there are four instances. The following is the "view" which returns the rates.
SELECT dbo.tblWorkSchedule.Survey_ID, dbo.tblWorkSchedule.WorkSchedule_ID, dbo.tblWorkSchedule.WorkScheduleType_ID,
dbo.tblWorkSchedule.ScheduleStatus_ID, dbo.tblWorkSchedule.Qty, dbo.tblRateScheduleUnit.Unit, dbo.tblWorkType.Work_Type_Description,
dbo.tblRateScheduleType.Type, dbo.tblWorkSchedule.MA_Code, dbo.tblRateSchedule.SOR_Code, dbo.tblSurvey.PropertyYear_ID,
dbo.tblSurvey.PropertyPeriod_ID, ISNULL(dbo.tblWorkSchedule.Valuation, 0) AS Valuation, dbo.tblSurvey.WorkScheduleOverallStatus_ID,
dbo.tblSurvey.VariationOverallStatus_ID, dbo.tblWorkSchedule.WorkScheduleLocation_ID, dbo.tblWorkSchedule.Inserted_DateTime,
CASE IsNull(CONVERT(varchar, dbo.tblWorkSchedule.Figure_Description), '')
WHEN '' THEN dbo.tblRateSchedule.DESCRIPTION ELSE dbo.tblWorkSchedule.Figure_Description END AS DESCRIPTION,
CASE IsNull(CONVERT(varchar, dbo.tblWorkSchedule.Figure_Description), '')
WHEN '' THEN tblRateSchedule.SWT ELSE tblWorkSchedule.WorkScheduleLocation_ID END AS SWT, dbo.tblCategory.Category,
dbo.tblScheduleStatus.Schedule_Status, CASE isnull(dbo.tblWorkSchedule.Rate, 0)
WHEN 0 THEN dbo.tblRateSchedule.Rate ELSE tblWorkSchedule.Rate END AS Rate, dbo.tblRateSchedule.WorkType_ID,
dbo.tblWorkSchedule.UpliftedRate AS UPLIFTED_RATE,
CASE dbo.tblWorkSchedule.WorkScheduleType_ID WHEN 1 THEN CASE IsNull(dbo.tblSurvey.WorkScheduleOverallStatus_ID, 0)
WHEN 4 THEN dbo.tblWorkSchedule.UpliftedRate ELSE dbo.GetSWT_PropertyYearPeriodRate(IsNull(tblRateSchedule.WorkType_ID, 0),
tblWorkSchedule.WorkSchedule_ID, tblSurvey.PropertyYear_ID, tblSurvey.PropertyPeriod_ID)
END WHEN 2 THEN CASE IsNull(dbo.tblSurvey.VariationOverallStatus_ID, 0)
WHEN 4 THEN dbo.tblWorkSchedule.UpliftedRate ELSE dbo.GetSWT_PropertyYearPeriodRate(IsNull(tblRateSchedule.WorkType_ID, 0),
tblWorkSchedule.WorkSchedule_ID, tblSurvey.PropertyYear_ID, tblSurvey.PropertyPeriod_ID) END END AS UpliftedRate,
CASE IsNull(dbo.tblWorkSchedule.Rate, 0) WHEN 0 THEN CONVERT(decimal(18, 2), IsNull(dbo.tblRateSchedule.Rate, 0)) * CONVERT(decimal(19, 2),
IsNull(dbo.tblWorkSchedule.Qty, 0)) ELSE CONVERT(decimal(18, 2), IsNull(dbo.tblWorkSchedule.Rate, 0)) * CONVERT(decimal(19, 2),
IsNull(dbo.tblWorkSchedule.Qty, 0)) END AS Total, dbo.tblCompany.IsContractor, dbo.tblCompany.Percentage AS Constructor_Percentage,
dbo.tblCompany.Percentage AS Contractor_Percentage, CASE IsNull(dbo.tblWorkSchedule.Rate, 0) WHEN 0 THEN ((IsNull(tblCompany.Percentage, 0)
/ 100 * (CONVERT(decimal(18, 2), dbo.tblRateSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) + (CONVERT(decimal(18, 2),
dbo.tblRateSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) ELSE ((IsNull(tblCompany.Percentage, 0)
/ 100 * (CONVERT(decimal(18, 2), dbo.tblWorkSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) + (CONVERT(decimal(18, 2),
dbo.tblWorkSchedule.Rate) * CONVERT(decimal(19, 2), dbo.tblWorkSchedule.Qty))) END AS After_Lift, ISNULL(dbo.tblSurvey.Survey_Completed, 0)
AS Survey_Completed, LTRIM(RTRIM(dbo.tblUser.User_Title)) + ' ' + LTRIM(RTRIM(dbo.tblUser.User_Forename))
+ ' ' + LTRIM(RTRIM(dbo.tblUser.User_Surname)) AS Inserted_By, dbo.tblWorkSchedule.Inserted_By AS InsertedBy_ID,
ISNULL(dbo.tblUploadedFile.File_Name, '') AS File_Name, dbo.tblWorkSchedule.Variation_ID,
dbo.tblHistoricalRateSchedule.Rate2006Period1, dbo.tblHistoricalRateSchedule.Rate2006Period2, dbo.tblHistoricalRateSchedule.Rate2007Period1,
dbo.tblHistoricalRateSchedule.Rate2007Period2, dbo.tblHistoricalRateSchedule.Rate2008Period1,
dbo.tblRateSchedule.RateScheduleYear2008Period1Rate, dbo.tblRateSchedule.RateScheduleYear2008Period2Rate
FROM
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May 25, 2008
Hi,
For a particular application i retrieve records using stored procedure and bind the same to the data grid and display the same. The data are fetched from a table say A joined with couple of tables to staisfy the requirement. Now this table A has around 3700000 + records. The Select statement is as
Select column1, column 2, column 3...................... column 25
from table A
inner join hash table D
on A.Column3 = D.Column3
and A.Column4 = D.Column4
and a.nColumn1 = @ParameterVariable
Inner join table B
on a.nColumn1 =b.nColumn1
inner join table C
on A.column2 = C.column2
Indices defined on A are
IDX1 : Column 3, Column 4
IDX2 : Column 1
Around 350 records per second are inserted into the table A during the peak operation time. During this time when executing the procedure, it takes around 4 mins to fetch just 25000 records.
I need to fine tune the procedure. Please suggest me on same.
Thanks
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Oct 14, 2007
Hi, I would like to select data from my source system based on fiscal years. I don't want to hard code anything, e.g. select * from person where startdate > 01042005. I want to try and use a store proc or function. The main requirement is to always retrieve data from source tables for the last two fiscal years (based on todays date - getdate). Our fiscal year starts the 1st April. Therefore, If todays date is 14 October 2007, I would like to select all persons whose start date was greater than 01 April 2005. Is there an easy way to do this in sql server 2005 without hard coding dates?
Gurj
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Jun 27, 2006
Is there a way to retrieve a returned value from a stored procedure w/out binding do a data presentationi control? I have the following sqldataprovider...
<asp:SqlDataSource ID="SqlDataSource1" runat="server"
SelectCommand="f_GetUser"
ConnectionString="<%$ ConnectionStrings:MyServer %>"
SelectCommandType="StoredProcedure">
<SelectParameters>
<asp:formparameter name="username" formfield="txtusername" />
<asp:formparameter name="password" formfield="txtpassword" />
</SelectParameters>
</asp:SqlDataSource>
Do I have to make a gridview to get the value that is returned from this stored procedure? The SP only returns one value (a count of records) and I want to set it to a variable. Is there a way, similar to a recordset in ASP, that I can access that one value?
here is my stored procedure...
CREATE PROCEDURE f_GetUser
@username varchar(50),
@password varchar(50)
AS
SELECT COUNT(*) AS numusers
FROM f_Users
WHERE username=@username AND password=@password
I just want to retrieve "numusers" and use it in a conditional....
tia for your help
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Sep 3, 2006
I would like to retrieve a hierarchical list of Product Categories from a single table where the primary key is a ProductCategoryId (int) and there is an index on a ParentProductCategoryId (int) field. In other words, I have a self-referencing table. Categories at the top level of the hierarchy have a ParentProductCategoryId of zero (0). I would like to display the list in a TreeView or similar hierarchical data display control.Is there a way to retrieve the rows in hierarchical order, sorted by CategoryName within level? I would like to do so from a stored procedure. Example data:ProductCategoryID CategoryDescription ParentProductcategoryID ParentCategoryDescription Level------------------------------------------------------------------------------------------------------------------------------------------------1 Custom Furniture 0 02 Boxes 0 03 Toys 0 04 Bedroom 1 Custom Furniture 15 Dining 1 Custom Furniture 16 Accessories 1 Custom Furniture 17 Picture Frames 6 Accessories 28 Serving Trays 6 Accessories 29 Entertainment 1 Custom Furniture 110 Planes 3 Toys 111 Trains 3 Toys 112 Boats 3 Toys 113 Automobiles 3 Toys 114 Jewelry 2 Boxes 115 Keepsake 2 Boxes 116 Specialty 2 Boxes 1Desired output:Custom Furniture Accessories Picture Frames Serving Trays Bedroom Dining EntertainmentBoxes Jewelry Keepsake SpecialtyToys Automobiles Boats Planes Trains
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Mar 27, 2007
I have a login name being displayed when a user logs in, like so: "Welcome: johndoe23"This is displayed through the use of the <asp:LoginName> tag.I want to do a query on the database that only selects data relevant to that userName and wish to assign that logged in username to a variable so we can use an SQL command similar to: "SELECT something WHERE userID=" + loggedInUserName;
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