How To Find Updating A Record In .net
Sep 23, 2007
Hello
I need an alarm or raise an event from SQL Server after updating to get it in .net.
I use SQL Server 2005 Express Edition and vb.net2 for my programming language.
Suppose that in a windows form I have a grid and I'm working with this page
another client is working with this same page .He is editing the information of
a record of a grid and save it in database so I want to give an alarm or an event
that raise from SQL Server (for example in a trigger) , what can I do?
Thanks.
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Apr 7, 2008
Hi,
We're running a Sage CRM install with a SQL Server 2000 database at the back end. We're using the Sage web services API for updating data and a JDBC connection to retrieve data as it's so much quicker.
If I retrieve a record using the JDBC connection and then try and update the same record through the web services, the query times out as if the record is locked for updates. Has anyone experienced anything similar or know what I'm doing wrong? If I just use DriverManager.getConnection() to establish the connection instead of the datasource, and then continue with the same code I don't get these record locking problems. Please find more details below.
Thanks,
Sarah
The JDBC provider for the datasource is a WebSphere embedded ConnectJDBC for SQL Server DataSource, using an implementation type of 'connection pool datasource'. We are using a container managed J2C authentication alias for logging on.
This is running on a Websphere Application Server v6.1.
Code snippet - getting the record thru JDBC:
DataSource wsDataSource = serviceLocator.getDataSource("jdbc/dsSQLServer");
Connection wsCon = wsDataSource.getConnection();
// wsCon.setAutoCommit(false); //have tried with and without this flag - same results
Statements stmt = wsCon.createStatement();
String sql = "SELECT * FROM Person where personID = 12345";
ResultSet rs = stmt.executeQuery(sql);
if(rs.next()){
System.out.println(rs.getString("lastName"));
}
if (rs != null){
rs.close();
}
if (stmt != null) {
stmt.close();
}
if (wsCon != null) {
wsCon.close();
}
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Mar 24, 2007
I tried checking to see if the point at which the reader was, that if it was the record I am looking for to go ahead and add the table data to a label. But for some reason it's only taking the first record in the database and not the one I thought I was at.[CODE] public void UpdateMaleHistLbl() { SqlConnection conn = new SqlConnection("Server=localhost\SqlExpress;Database=MyFamTree;" + "Integrated Security=True"); SqlCommand comm = new SqlCommand("SELECT * FROM FatherHistTable, MotherHistTable, UsersTable WHERE UsersTable.UserName = @usrnmeLbl ", conn); comm.Parameters.AddWithValue("@usrnmeLbl", usrnmeLbl.Text); conn.Open(); SqlDataReader reader = comm.ExecuteReader(); while (reader.Read()) { string usr = reader["username"].ToString(); usr = usr.TrimEnd(); string pss = reader["password"].ToString(); pss = pss.TrimEnd(); if (usrnmeLbl.Text == usr) { if (hiddenpassLbl.Text == pss) { maleHistLbl.Text = reader["GG_Grandfather"] + " > "; maleHistLbl.Text += reader["G_Grandfather"] + " > "; maleHistLbl.Text += reader["Grandfather"] + " > "; maleHistLbl.Text += reader["Father"] + " > "; maleHistLbl.Text += reader["Son"] + " > "; maleHistLbl.Text += reader["Grandson"] + " > "; maleHistLbl.Text += reader["G_Grandson"] + " > "; maleHistLbl.Text += reader["GG_Grandson"] + "<br /><br />"; } } break; //exit out of the loop since user found } reader.Close(); conn.Close(); }}[/CODE]Thanks in advance
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Nov 17, 2004
Hello, I'm new to SQL, I need to HtmlEncode a column in all my records in a table, how can i construct my sql string? I have the following...
Cmd = "UPDATE articulos SET DescripcionCorta = HtmlEncode(DescripcionCorta) WHERE codigo='x'"
All I need is to Encode my "DescripcionCorta" Field.
Regards.
Roberto.
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Jun 9, 2008
Hi all, I'm new to SQL and have been trying to update a record in a table, something I imagine would be quite simple. The record holds a INT value and I wish to test the value to see if it is greater than 70, if it is....reset the value to 1
I have tried various methods, aiming at using a stored procedure that will run once a day at midnight.
Any help would be great.
Abbo
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Mar 23, 2008
Hi, I have a problem, it is that when I try to update a record in my SQL server database, it is not updated and I recieve no error messages. This is the code behind the update button. The stored procedure is "sqlupdate".
Code Snippet
Dim ListingID As String = Request.QueryString("id").ToString
Dim con As New SqlConnection(ListingConnection)
Dim cmd As New SqlCommand("sqlupdate", con)
cmd.CommandType = CommandType.StoredProcedure
Dim id As SqlParameter = cmd.Parameters.Add("@id", SqlDbType.UniqueIdentifier)
id.Direction = ParameterDirection.Input
id.Value = ListingID
Dim PlaceName As SqlParameter = cmd.Parameters.Add("@PlaceName", SqlDbType.VarChar)
PlaceName.Direction = ParameterDirection.Input
PlaceName.Value = PlaceNameTB.Text
Dim Location As SqlParameter = cmd.Parameters.Add("@Location", SqlDbType.VarChar)
Location.Direction = ParameterDirection.Input
Location.Value = LocationTB.Text
Dim PropertyType As SqlParameter = cmd.Parameters.Add("@PropertyType", SqlDbType.VarChar)
PropertyType.Direction = ParameterDirection.Input
PropertyType.Value = PropertyTypeTB.Text
Dim Description As SqlParameter = cmd.Parameters.Add("@Description", SqlDbType.VarChar)
Description.Direction = ParameterDirection.Input
Description.Value = DescriptionTB.Text
Try
con.Open()
cmd.ExecuteNonQuery()
con.Close()
Catch ex As Exception
End Try
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Apr 10, 2008
I'm using VB.Net 2008 with SQL Compact 3.5. After trying forever, I finally got my app to open a retrieve a record from a table. Now, when I try to update the record, I get an error on the ExecuteNonQuery statement. The error says I am "attempting to read or write protected memory". The code works perfectly with an Access database.
Here is the code I am using:
Dim objConnection As Data.OleDb.OleDbConnection
Dim objCommand As Data.OleDb.OleDbCommand
Dim sConnection As String
Dim sTableName As String
Try
'Set Table Name
sTableName = "Settings"
'Build SQL and Connection strings
'sConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & mstrDataPath
sConnection = "Provider=Microsoft.SQLSERVER.CE.OLEDB.3.5;Data Source=" & mstrDataPath
objConnection = New Data.OleDb.OleDbConnection(sConnection)
'Create the UpdateCommand
objCommand = New Data.OleDb.OleDbCommand("UPDATE " & sTableName & " SET " & _
"OwnerName = ?, " & _
"Address1 = ?, " & _
"Address2 = ?, " & _
"City = ?, " & _
"State = ?, " & _
"ZipCode = ?, " & _
"Phone = ?, " & _
"EmailAddress = ? ", objConnection)
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(0).Value = mstrOwnerName
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(1).Value = mstrAddress1
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(2).Value = mstrAddress2
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(3).Value = mstrCity
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(4).Value = mstrState
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(5).Value = mstrZipCode
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(6).Value = mstrPhone
objCommand.Parameters.Add(New Data.OleDb.OleDbParameter)
objCommand.Parameters(7).Value = mstrEmailAddress
objConnection.Open()
objCommand.ExecuteNonQuery()
objConnection.Close()
objCommand.Dispose()
UpdateRecord = True
Catch objException As Exception
UpdateRecord = False
MessageBox.Show(objException.ToString, "Error")
End Try
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May 30, 2007
Basically I want to do a find and replace.
All the rows where column1 starts with F: I want to replace with M:
I tried this without luck
update table
set left(column1,1)='M'
where
left(column1,1)='F'
thanks
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Jan 27, 2008
Hello, i currently have a gridview component displaying data from a SQLSERVER2005 database. I have created an 'edit' hyperlink on each record so that when pressed, the primary key of a record is sent in the querystring to another page when pressed. example http://localhost/Prog/EditAppointment.aspx?AppointmentId=1
In the edit page, i have dragged and dropped a sqldatasource that contains the select and update statements. i would now like to use textboxes and dropdowns to display the data for the particular record selected (in this case appointmentid=1). however i dont want to use a formview or automated component, just to drag and drop the textboxes myself. how do i bind the textboxes in the HTML code to the data from the select statement? My current select parameters look as follows.
<SelectParameters>
<asp:QueryStringParameter Name="AppointmentId" QueryStringField="AppointmentId" Type="Int32" />
<asp:ControlParameter ControlID="Textbox1" Name="PatientNo" PropertyName="Text" Type="String" />
</SelectParameters>
Perhaps there is an error in my select parameters or does the problem lay elsewhere? Any help would be appreicated.
Thanks,
James.
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Oct 1, 2004
The process of adding a column with DEFAULT (0) to a table that has 15million records takes a despicable amount of time (too much time) and the transaction log of the database grew to an unacceptable size. I would like to accomplish the same task using this procedure:
·Add the column to the table with null value.
·Loop through the table (500000 records at a time) and SET the value in the newly added column to 0.
·Issue a commit statement after each batch
·Issue a checkpoint statement after each batch.
·Alter the table and SET the column to NOT Null DEFAULT (0)
Here is my Sample script
ALTER TABLE EMPLOYEE ADD EZEVALUE NUMERIC (9,6) NULL
Go
Loop
UPDATE EMPLOYEE SET EZEVALUE = 0
Commit Tan
CHECKPOINT
END (Repeat the loop until the rows in EMPLOYEE have the value 0)
Go
ALTER TABLE EMPLOYEE ALTER COLUMN EZEVALUE NUMERIC (9,6) NOT NULL DEFAULT (0)
My problem is with the loop section of this script. How do I structure the loop section of this script to loop through the employee table and update the EZEVALUE column 500000 rows at a time, issue a Commit Tran and a CHECKPOINT statement until the whole table has been updated. Does anyone out there know how to accomplish this task? Any information would be greatly appreciated.
Thanks in advance
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Sep 24, 2007
Hi People,
hope someone can help me out here with a little problem.
Basically i've go a asp.net page which has a listbox on. This list box is populated from a SQL database table with the datetime of the a selected field. Thus in the list box you get a list of strings looking like this "24/09/07 12:58"
Also on the page is a submit button, and some other editing textboxes. The main issue here is the when the submit button is used i get the currently selected listbox timedate string and then pass this along with other items to update a record in the database based on the datetime in the listbox control.
Below is how i get the string from the listbox control
Dim except_time As DateTime
except_time = DropDownList1.SelectedValue
The expect_time is then passed to store procedure along with some other vars, which looks like this
-- =============================================-- Author: Lee Trueman-- Create date: 1st Sept 2007-- =============================================CREATE PROCEDURE [dbo].[spExcept_UpdateData] -- Add the parameters for the stored procedure here @validated bit, @update_time datetime, @except_time datetimeASBEGIN -- SET NOCOUNT ON added to prevent extra result sets from -- interfering with SELECT statements. SET NOCOUNT ON
-- Insert statements for procedure here UPDATE exceptions SET validated = @validated, update_time = @update_time WHERE (except_time = @except_time)END
So validated and update_time should be updated when except_time is equal to @except_time
My problem is that the database never updates. If i debug the asp.net page the watch var shows the datetime in US format (I.e "09/24/07 12:58"), if this is true then this would explain why when it is passed to the stored proc nothing gets updated, as there would not be a date match.
can anyone see any silly mistakes i'm doing here ????
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Oct 18, 2004
I am trying to write a stored procedure that updates a value in a table based on the sort order. For example, my table has a field "OfferAmount". When this field is updated, I need to resort the records and update the "CurrRank" field with values 1 through whatever. As per my question marks below, I am not sure how to do this.
Update CurrRank = ??? from tblAppKitOffers
where appkitid = 3 AND (OfferStatusCode = 'O' OR OfferStatusCODE = 'D')
ORDER BY tblAppKitOffers.OfferAmount Desc
All help is greatly appreciated.
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Sep 30, 2004
I need to update one row in a SQL Server 6.5 DB from a row in SQL 2000 server DB. What would be the best way to do this?
I have my 2000 server defined as a Remote Server in 6.5, however I get the error message:
contains more than the maximum number of prefixes. The maximum is 2.
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Mar 23, 2008
Hi, I need help with updating a record. When I run the following code underneath the update button, the record does not update and I get no error message. Anyone have any ideas?
Code Snippet
Dim ListingID As String = Request.QueryString("id").ToString
Dim Description As String = DescriptionTB.Text
Dim PlaceName As String = PlaceNameTB.Text
Dim Location As String = LocationTB.SelectedValue
Dim PropertyType As String = LocationTB.SelectedValue
Dim Price As Integer = PriceTB.Text
Dim con As New SqlConnection(ListingConnection)
Dim sql As String = "Update Listings SET Description = ?, PlaceName = ?, Location = ?, PropertyType = ?, Price = ? WHERE ListingID = ?"
Dim cmd As New SqlCommand(Sql, con)
cmd.Parameters.AddWithValue("Description", Description)
cmd.Parameters.AddWithValue("PlaceName", PlaceName)
cmd.Parameters.AddWithValue("Location", Location)
cmd.Parameters.AddWithValue("PropertyType", PropertyType)
cmd.Parameters.AddWithValue("Price", Price)
Try
con.Open()
cmd.ExecuteNonQuery()
con.Close()
Catch ex As Exception
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Aug 19, 2006
I created a package in SSIS to export data from mutiple SQL server tables to a single flat file. Once the export is completed i need to update 2 tables ( a batch table and a history table) In the batch table I need to insert a record with batch # (system generated),batch date, status( success/failed), record count( no of records in the flat file), batch filename). In the history table, i need to insert a record for each of the rows in the flat file with the foll info. batch number,datetime,status(success/failed)
My question is how do I get the batch status,record count, batchfilename for batch table update and how do i get to update the history table.
BTW, i am executing this package as a SQL Server Agent job.
I am new to Integration Services and feel lost.
Any help ?
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Sep 22, 2005
Can you create an UPDATE TRIGGER and use some typeof code to figure out which SP just updated the current table?If not how can i achieve what i want?I tried to run SQL Profiler and i don't understand why i can'tsimply have the Profiler filter events only for the specific database idand the table's object id i chose?What am i doing wrong with SQL Profiler? I was testing thisthrough SQL EM. I had the filters chosen for a specific database idand a specific table's object id, yet when i open another table SQLProfiler captures that information too.Thank you
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Dec 7, 2006
Hi,
I am currently using VC++/Cli 2005. In a project, I'm using a DataGridView control to show records from a SQL Express 2005 table. Instead of updating a specific item directly within DataGridView control, I would like to open a new form and allow user to update selected record/item within that form. The reason to update this way is conditionned by the fact that I have 3 levels of detail as following:
Level 0 Level 1 Level 2
1:N 1:N
Furniture --> Component --> Component
You all understand that update form of Level1 will/must include, as Level0 do, another DataGridView control to display/detail all related items issued from next level. This explains why I can't allow user to update Level 1 directly from DataGridView control.
I've searched in MSDN and even bought a few books on subject but unfortunately I found nothing on how to do it this way. All articles on DataGridView control were only showing how to update record directly from control.
My approach, I think, would be to transmit to my level1 updating form, as a single parameter, the selected DataRow object (or a brand new one if currently adding) issued from DataGridView and let user update it's content. When User finally leaves level0 update form, then I presume that DataGridView corresponding table would be automatically updated according to DataGridView's content.
What would be the proper way to do it? I would certainly appreciate to hear you view on this.
Also, what can I do if I want to refresh DataGridView's content when coming back from update form. Is it done automatically? I would certainly be sure that it reflects the reality, not only when I update it myself but also especially when other users could concurrently update same records?
Thanks in advance,
Stéphane
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Dec 18, 2007
HI all,
I have a windows application which runs a process,
I am updating database column "Status" with Processing when the application is running, and on completion I update it with Staus="Completed" or in case I close the application
I update db with Status="Interupted" .
I have problem that in case while proces is running, power supply or system turns off, the db Status="Processing", but in actual it is interupted.
How will i update?
Please help.
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Nov 14, 2007
Hi,
Inside a single transaction I'm inserting/updating multiple records into multiple tables, in this order:
table 1 record 1
table 2 record 1
table 3 record 1
table 1 record 2
table 2 record 1
table 1 record 3
table 2 record 3
table 3 record 3
Now I'm getting an unspecified error on a certain table:
Unspecified error [ 3,-1300704038,-1834095882,activitypointerBase,x lock (x blocks),PAG (idx): 1078 ]
From msdn I see that:
PAG (idx) means a lock on an index page.
x lock means an exclusive lock:
Indicates a data modification, such as an insert, an update, or a deletion. Ensures that multiple updates cannot be made to the same resource at the same time. (I assume that multiple updates within the SAME transaction can be made, only multiple updates from different transaction cannot be made, right?)
I cannot find any reference to this error message and don't know what the numbers mean. Maybe it relates to data that can be found in the sys.lock_information table like explained here, http://technet.microsoft.com/en-us/library/ms172932.aspx, but I'm not sure.
Furthermore, the sys.lock_information table is empty. I haven't been able to reproduce the problem myself. I only received an error log and the database to investigate it.
So, does anybody have an idea what this error message means and what I can do to troubleshoot this?
Thanks,
Jeffry
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Mar 22, 2007
Code:
"SELECT " & _
"Asset_Number, Inv_ID " & _
"FROM " & _
"tbl_Asset "
OKay looking at this highly simplified query here is my problem.
We have a ton of Asset numbers that are the same and for each asset number the inv_id should also be the same.....
However, since this data gets entered by humans - sometimes the inv_id is wrong....
I need to figure out a query that fleshes out the rows where asset_nums are the same but inv_id is different than other rows...?
Of course this may be impossible.....
I mean what if there was only two records by the same asset_num and each inv_id was different?
How could the query know which was the right one......
I need to run a report that finds the invalid inv_id's so that they can corrected.....
any thoughts on how this is done?
My thoughts are - using an inner select...
something to the effect of :
SELECT ....
FROM
(SELECT * WHERE (inv_id = inv_id) > 1)
GROUP BY asset_num.........
I just dont know exactly what the correct syntax is....
muchas gracias....
(btw this is actually ms-sql but mysql forum is so much more popular and the syntaxes are similar enough....thank you...)
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Apr 14, 2008
sno Empid Address Date
------------------------------------------------
1100bhopal2008-01-02 00:00:00.000
2100indore2008-02-02 00:00:00.000
3100gwalior2008-03-03 00:00:00.000
4101gwalior2008-01-02 00:00:00.000
5101Indore2008-02-02 00:00:00.000
6102bhopal2008-01-01 00:00:00.000
------------------------------------------------
I want last update Address of employee from this table like
100 Gwalior
101 Indore
102 Bhopal
pls help me out ...............
Yaman
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Mar 20, 2007
hi all,
if we have 100 same records, how can we select any 50 of it? thanks
~~~Focus on problem, not solution~~~
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Aug 14, 2001
Is there any method so that I can find that the particular user has changed the record in the particualr table..?
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Feb 8, 2005
I have a mystery database on my hands...it is part of an application that my company bought, and it uses SQL server for its backend. The reporting features built in are not good enough, so I need to write some queries by hand...trouble is I am having a hard time figuring out how the schema works...using the front end they gave us I put a value of "12345" for a field I need to get to, but I can not locate where in the db it gets stored....can anyone tell me a way to query that will look at every single record and every single field in the db to find the value "12345"??
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Oct 15, 2013
I have a table called Register that has the following in it
Policy_number, Policy_date_time, Portfolio_set, Status..The rule for the table is that the last record for each portfolio_set for a policy the status needs to be 'A' but there have been instances that the last record status is 'I'
I need to identify the record that is out of place..In the example below record number 2.
example
policy_number Policy_date_time Portfolio_set, status
12345 1/1/2011 1 I
12345 1/2/2011 1 A
12345 1/3/2011 1 I
12345 1/4/2011 1 I
I need to identify that the second record is in the wrong place...
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Jul 23, 2005
Is there a way to tell who or what process deleted a record in a SQL table.I know you can setup triggers or Profiler - but is there a way to see how arecord was deleted if you DO NOT have a trigger or Profiler already running?This is SQL 2000 Standard, sp3a with default options and configuration.Thanks
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Dec 11, 2007
I have a select statment that gives me an error, cannot go more than rowsize 8094.
I am trying to find the particualr record/acctno, where the rowsize is excedding the max limi of 8094 chars. Once I have the acctno, I will correct it.
But how do I find which acct has this issue? Bascailly how can I find which record size is more than 8094 chars?
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Oct 29, 2014
We have a work order notes table in our ERP system, and I want to see the most recent note record for each work order. Sometimes there will one be one, so I want to see all those, but sometimes there will be several notes for each work order and in this case I want to see only the most recently added note for that work order.
The query below shows some results as an example. In this case I want to see all the records except for work order number DN-000023 where I only want to see the note dated/timed 07-12-2011 16:52 (the most recent one).
select id, worknumber, date, notes from worksordernotes
id worknumber date
----------- ------------ ----------------------- --------------------
1 DN-000056 2011-12-07 13:22:00 13.20 PM JAMES- SPOK
2 DN-000079 2011-12-07 14:24:00 JCB HAVE TOLD ME THE
4 DN-000065 2011-12-07 15:48:00 ANDY FROM SITE RANG
5 DN-000023 2011-12-07 15:54:00 CHASED THIS 4 TIMES
6 DN-000023 2011-12-07 16:52:00 HOLTS ATTENDED THIS
7 DN-000092 2011-12-08 09:50:00 RETURNING WITH PARTS
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Apr 2, 2015
I need to find all items in an inventory table where a field has been unticked in the last 24 hours (there is no audit trail), as well as the contract number of the contract it has been added to (it will not have existed in that table before).
These are the two table querys in their basic form:
select item (nvarchar(20)), inactive (bit) from inventory
select item (nvarchar(20) , contract (nvarchar(20)) , original_start_rent (datetime) from deltickitem
I would like to see just the item number and the contract number it has been added to.
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Oct 12, 2007
I have a table with member information. Each member has multiple effective dates. I would like to query to find the record for each member that has the maximum effective date. A sample table is below:
MEMBERID EFECTIVEDATE
------------ ------------------
699361401 20070101
699361401 20070501
732612701 20070101
732612701 20070501
575424301 20070101
575424301 20070501
192939801 20070101
192939801 20070501
458645001 20070101
458645001 20070501
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Sep 18, 2015
I need to build a CTE query to find for the same Cabstamp (document) where i have different Origin.
I know that i can build this with a correlated subquery, but i´am curious about using CTE.
I post sample create Script:
create table #temp (Cabstamp varchar(10), account varchar(10),document varchar(15), origin varchar(2), debit numeric(10,2), credit numeric(10,2), datalc datetime)
insert into #temp (Cabstamp,account,Document, origin, debit, credit, datalc)
select 'ADM12345',111,'CMP-01','FO',1000,0, '20150110'
union
select 'ADM12345',112,'CMP-01','FO', 500, 0,'20150110'
union
select 'ADM12345',6811,'CMP-01','DO',0,1500,'20150110'
union
[code]....
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Jul 15, 2015
I have 2 tables .Lets Say tableA and tableB.Both Have Columns ClaimNumber,Amount. Now, to get the matched records for these 2 tables, i wrote the following query Select * from tableA A Inner Join tableB B on A.ClaimNumber = B.ClaimNumber and A.Amount = B.Amount This query works perfectly fine and gives me only matching records, however if i want to have records which match with ClaimNumber and not with Amount i wrote something like this
Select * from tableA A Inner Join tableB B on A.ClaimNumber = B.ClaimNumber and A.Amount <> B.Amount.
And this query produces wrong results, its giving me match and also non match records.
how to write a query for my non match condition?
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Oct 1, 2007
Looking to see if thier is a better way to find the last record entered in a group of records.
What I'm doing now is finding the max for the secound column and then doing a sub query to find the max of the third column having the second columns equal.
Table example using simplied data.
PolId
CoveragId
EffDate
Status
Limit1
2
1
9/7/2007
a
10000
2
2
9/7/2007
a
150000
2
2
10/1/2007
a
200000
3
1
9/7/2007
a
10000
The parent program addes a row every time the data is changed. To make things worst; the records arn't always in sqenal order like the above table and some time edits the row instead.
The current query returns a single value. from a single table.
Current code used in the select protion on a larger query. bpi = basicpolicyInformation.
( Select c1.limit1
From AFW_Coverage as c1
Where c1.PolId=bpi.PolId
and c1.CoverageId = (select max(CoverageId) as CoverageId
From AFW_Coverage as c
where c.PolId = c1.PolId
and c.CoverageCode = 'Dwelling'
and status <> 'D'
)
and c1.effDate = (select max(Effdate) as Effdate
From AFW_Coverage as c
where c.PolId = c1.PolId
and c.CoverageID = c1.CoverageId
)
Explain the current code. It uses the two sub queries to find the correct record ID that has the data needed.
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