To Avoid Looping
Nov 16, 2005
Hi All,
Very Ad-hoc requirement I am having.
I've got one table with two columns.
Column Name Data Type
1) Id Integer Identity
2) RemDate DateTime
I've to write one SP/JOB in that there will be an integer input parameter @numofday.
Say value of @numofday is 5 then.... in SP/Job I need to insert 31 - 5 = 26 records to above-mentioned table where date starting from 1st of current month.
This logic can be achieve through looping but if anyone can suggest some better way to achieve this functionality without use of looping.
Thanks in advance,
Jai
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Mar 28, 2008
Im having a issue. Im not sure how I am going to carry out but I have two tables in SQL server 2005
TABLES
Category SubCategory (PK)CategoryName (PK) SubCategoryNameCategoryID SubCategoryIDDate Date (Just shows the date inserted) (FK)CategoryID
On the front page, I need to have it querys out the CategoryName from Categorys but also querys out all....Well not all but atleast 5 subcategorys that relate to that categoryName. Once its down it moves to the next category and does the same and so on. Does anyone know the trick ?
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Mar 19, 2002
I want to loop through a recordset and do inserts into another table based on each record.
The way I have been doing it is copy my key data into a temp table,
Loop through temp finding the max ID
Doing what I need to do, deleting the max, then finding the new max and looping until no records exist.
I know there has to be a better way. The table I am working with is millions of records.
Thanks in advance,
Chris Reeder
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Mar 28, 2002
I need to loop through a set of tables and move the data through a data pump from one server to another. This set of tables is dynamic so I have greated a global recordset and the looping is working fine.
During the looping process I need to change the transformations for each table so the source, destination, and transformation of the datapump are correct for the next table in the loop. I am using a VBS to handle this right now but cannot get the transformation to change. I essentially want to auto-remap using a vbs script. Is this possible?
Thanks for any help.
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May 23, 2008
Hello clever people
I have a table that holds duplicates that I want to change into a table that has no duplicates. The current table is this
name
compound_id integer
name varchar(150)
name_type integer
This table stores chemical names. There is no primary key in the table so there are multiple compound_id's. I think the original idea was to have four name-types
1 = chemical name
2 = a description of the chemical
3 = a synonym of the chemical
4 = a formula of the chemical
I have created a new table called compound_name with this structure
id int primary key (auto identity)
compound_id int used as a foreign key
compound_name varchar(150)
compound_desc varchar(250)
compound_synonym varchar(150)
compound_formula varchar(50)
compound_trade_nme varchar(50)
I have also started to populate the new table by running this code
insert into compound_name(compound_id,compound_name)
SELECT DISTINCT compound_id, name
FROM dbo.name
WHERE (name_type = 1)
Now I need to somehow loop through the name table getting distinct compound_id's, and perform a case when name_type = 2 (which is synonym name_type) Then inside the loop update compound_name.compound_synonym for each compound_id which matches name_type 2
Then case 3 do the same for name_type 3 which is the name_type for descripton
Then case 4 do the same for name_type 4 which is the formula
Any help would be appreciated
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Sep 29, 2004
Hi there, I am new to SQL and am having trouble looping a script. I have the following script that needs to be refreshed a large number of times, or needs to be looped indefinitely until stopped:
select
df.tablespace_name "Tablespace",
block_size "Block Size",
(df.totalspace - fs.freespace) "Used MB",
fs.freespace "Free MB",
df.totalspace "Total MB",
round(100 * (fs.freespace / df.totalspace)) "Pct. Free"
from
dba_tablespaces ts,
(select tablespace_name,
round(sum(bytes) / 1048576) TotalSpace
from dba_data_files
group by tablespace_name) df,
(select tablespace_name,
round(sum(bytes) / 1048576) FreeSpace
from dba_free_space
group by tablespace_name) fs
where
ts.tablespace_name = fs.tablespace_name
and
df.tablespace_name = fs.tablespace_name(+)
;
I know this question may have a very easy solution, but I have no idea how to solve it.
Thanks in advance
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Mar 21, 2007
hi guys,
I have a table like this,
S D C
Bi Ar Ar
Bi Ar Ch
Bi Ar Ma
Bi Au Ar
Bi Au Ch
Bi Au Ma
As Ar Ar
As Ar Ch
As Ar Ma
As Au Ar
As Au Ch
As Au Ma
As Au Ma
I have 3 columns S, D, C. i have text values in it. I need to write a query such that it will check each row for distinct value.For ex, all the rows are distinct except the last one. so i need to see all the duplicate entries. can anyone help me?
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Jun 15, 2007
Hi guys,
Can anybody tell me how to do looping in SQL?
Regards,
David
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Sep 6, 2007
Hi All,
I would like to know the best way to approach the following requirement:
I have an ASP.net 2 web site which gets its data from SQL 2005.
I am trying to run a series of 'rules' which are SQL where statements stored in a table, against rows stored in another table. I open the 'Rules' table looping through all records. I copy each rule to a string and put it on the end of the SQL statement so that the rule will only be appended if it passes the rule... this may be a little confusing.
The rules process will fire when the details have been submitted to the database.
Table containg rules would contain something like:
ID, RuleSQL
1, (ClientAge >18)
2, (ClientIncome>10000)
3 Etc...
This a very simplified version of the table but gives the general idea.
I currently use ASP.NET 2 and sqlconnections/datareaders to do this. I would like to know if there is a way of doing the same thing server side using Transact SQL because that would (I believe) speed up the time taken to perform all the tests as i wouldn't need to rely on ASP to open all recordsets and append the data.
If the ASP route would be the standard way of doing it and is not likely to have a detremental effect on performance then i am fine to stick with it because i know it works.
any comments or suggestions would be welcomed.
Thanks,
Ian
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Jan 17, 2008
I have an array (12,2) of values plus a profile variable that I want to pass as parameters while writing to a database. I've been told that I've set up the parameters wrong, and they cannot be changed every time I loop using the method I'm using. But I have no idea how to use any other method. Please... I'm down to the wire in terms of deadline here. I have until midnight to get it uploaded and running online. [CODE]Sub WriteClasses(ByVal CreditsArray) Dim i As Integer Dim EnrollDb As SqlConnection Dim cmdEnroll As SqlCommand EnrollDb = New SqlConnection("Server=LONNASQLEXPRESS;Integrated Security=True;database=LGordonTouroReg") cmdEnroll = New SqlCommand("INSERT INTO Enrollment (SectionID, Semester, Year, ClassID, StudentID) VALUES (@SectionID, 'Fall', '2007', @ClassID, @StudentID)", EnrollDb) EnrollDb.Open() For i = 0 To 12 cmdEnroll.Parameters.AddWithValue("@SectionID", CreditsArray(i, 2))
cmdEnroll.Parameters.AddWithValue("@ClassID", CreditsArray(i, 0))
cmdEnroll.Parameters.AddWithValue("@studentID", Profile.StudentID) If Not CreditsArray(i, 0) = "" Then cmdEnroll.ExecuteNonQuery() Response.Write(CreditsArray(i, 0) & " has been added to your schedule.<br/>") End If Next i EnrollDb.Close() End Sub[/CODE]
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Apr 11, 2008
lets say i have a stored procedure (for insert command) which i am calling in my code to execute. The user provided data is being stored in a array. My class takes the stored procedure name and also takes parameters name and types. Is there any way to loop through the parameters, (various columns in the table which is of diffrent data type ie varchar, int, etc). How to implement it?
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Sep 14, 2004
Hoping for a little help... I'm attemting to call a stored proc, pass parameters, and display the data 1 record at a time. I need to be able to show the data in a series of lables or text boxes. So the user will see one record, pushed into the lables, click a button and go to the next record...so on and so forth.
I think I have the code to get the data correct, it's the displaying data in lables and looping through the recordset the has me clueless.
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Put user code to initialize the page here
If Not Page.IsPostBack Then ' IF This is the first page load
Dim UserID As String = Request.QueryString("UserID")
' parameter for stored procedure
Dim RoleID As String = Request.QueryString("RoleID")
Dim DS As DataSet
Dim MyConnection As SqlConnection
Dim MyCommand As SqlDataAdapter
MyConnection = New SqlConnection(System.Configuration.ConfigurationSettings.AppSettings("connectionString"))
MyCommand = New SqlDataAdapter("getdirective", MyConnection)
MyCommand.SelectCommand.CommandType = CommandType.StoredProcedure
MyCommand.SelectCommand.Parameters.Add(New SqlParameter("@roleID", SqlDbType.NVarChar)).Value = RoleID
Try
DS = New DataSet
MyCommand.Fill(DS)
'Display data in a series of lables or highly formated datagrid
Catch ex As Exception
Response.Write("<font color=red>Error: " & ex.Message & "</font>")
End Try
Else 'IF the page is being reloaded
End If
End Sub
Private Sub cmdAck_Click(...) Handles cmdAck.Click
'This need to loop through the records
End Sub
Thanks for any help!!!
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Jul 11, 2000
I'm pretty new to T-SQL and have an *easy* problem, for you experts, that I can't get seem to get solved. I'd like to loop through a list of items in TABLE "Items". I then want to use that list to loop through and SUM SALES and QTY for each item from a TABLE called "Shipments". As I loop through each item, I want to UPDATE the "Items" table with the Summary data. So, logically I'd do something like this:
SELECT item_no
FROM Items
BEGIN
SELECT SUM(sales) AS Total_Sales, SUM(qty) AS Total_Qty
WHERE item_no=@item_no
UPDATE Items
SET Sales=@Total_Sales,
Qty=@Total_Qty
WHERE item_no=@item_no
END
I've tried somewhat successfully to use cursors to create my loop query, but I cannot seem to get the SELECT and UPDATE correct in the loop itself. Can anyone steer me in the right direction (or better yet, provide a solution)?
Thanks for the help,
Chris
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Aug 30, 1999
What I have to do is loop through a table with about 900 records, do computations on each record and update a database, can someone help me out.
here is the code that I am using right now on another site with coldfusion but i want to convert it all to a stored proc for speed reasons.
<!--- Query the Stores Table --->
<cfquery name="Zip2" datasource="#application.data#" username="#application.username#" password="#application.password#">
exec Stores_GetStoreZipInfo
</cfquery>
<!--- Loop through the STORE table --->
<cfloop query="zip2">
<cfset Lat1 = #zip1.lat#>
<cfset Lg1 = #zip1.long#>
<cfset Lat2 = #zip2.lat#>
<cfset Lg2 = #zip2.long#>
<!--- Do the actual distance calculation between the user's zipcode each store's zipcode --->
<cfset DistLat = 69.1 * (Lat2-Lat1)>
<cfset DistLong = 69.1 * (Lg2-Lg1) * #cos(Lat1 / 57.3)#>
<cfset Dist = ((#abs(DistLat)# * 2) + (#abs(DistLong)# * 2)) * 0.5>
<!--- Update the DISTANCE field on STORE table --->
<cfquery name="UpdateZips" datasource="#application.data#" username="#application.username#" password="#application.password#">
exec Stores_UpdateZipSeachInfo '#Dist#', '#zip2.zipcode#'
</cfquery>
</cfloop>
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Aug 16, 2005
I am not sure if what I wish to do is possible, but I shall ask anyway;
My project examines a database log of all the pages of an online teaching tool. Once the user has completed all the pages they are to be issued a certificate. Users may complete the teaching tool in any order, and the pages are always stored whenever they are acccessed, regardless of certification.
I have created a number of views that extract the data into a list of all the possible completion dates; i.e. where all the pages have been completed within any 12 month period. I need to write a query/view that uses the view to extract the first possible user completion date followed by every completion 12 months after that, then after that etc. to present day.
Can I do this?
Am I making sense ?
A no is acceptable in this case; I know I can do this with multiple queries from withing an application. I'd just rather not.
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Aug 2, 2004
hello,
i have a select query that returns multiple rows (within a cursor). How do i loop through the rows to process it (in a stored proc)? I donot want to use nested cursors. a code sample is requested.
thanks!
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Jan 29, 2004
i have created a job that i have scheduled to run every 10 min everything is configured well since i have tested preety everything their is to be tested and found that it was my last step wich as a fetch in it so i imagine that this fetch is making it loop over and over again. the job goes trought all the steps and starts back at the first step and keep going like that till i disable it here is my fetch statement and if you have any clue any help would be widely apreciated.
PS: i suspected it to be that fetch statement causing the havoc ;)
DECLARE
@TransactionNb varchar(10),
@EqId varchar(10)
DECLARE TransactionNb_cursor CURSOR
FOR
SELECT TransactionNb, EqId
FROM DetCom
WHERE UpdCode = 'C'
OPEN TransactionNb_cursor
FETCH NEXT FROM TransactionNb_cursor
INTO @TransactionNb, @EqId
WHILE @@FETCH_STATUS <> -1
BEGIN
-- Vérifier s'il existe une transaction avec le UpdCode = 'C' dans EntCom
IF (SELECT UpdCode
FROM EntCom
WHERE TransactionNb = @TransactionNb and EqId = @EqId) = 'C'
BEGIN
CONTINUE
END
ELSE
BEGIN
RAISERROR (50006, 10, 0, @TransactionNb, @EqId)
END
FETCH NEXT FROM TransactionNb_cursor
INTO @TransactionNb, @EqId
END
CLOSE TransactionNb_cursor
DEALLOCATE TransactionNb_cursor
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Apr 9, 2008
This is the TABLE I have
IDBRANCH STATUS
1A ACTIVE
1BINACTIVE
1CINACTIVE
2BINACTIVE
2CINACTIVE
2DINACTIVE
3A ACTIVE
3B ACTIVE
3C ACTIVE
4B ACTIVE
5DINACTIVE
----------------------------------------------------------------
Following is the desired View that I need for the above table.
Any ID which has atleast one ACTIVE branch will have ACTIVE status and any company which have all of its branches INACTIVE will have INACTIVE status. Thanks for your help
IDSTATUS
1 ACTIVE
2INACTIVE
3 ACTIVE
4 ACTIVE
5INACTIVE
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Apr 12, 2008
I want to loop through all tables in a database for the given qeury
SELECT TABLE_NAMe
FROM INFORMATION_SCHEMA.TABLES
how to intialize the counter and what should be the boolean expression
Thank you and Best Regards
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May 12, 2008
I want to apply the same query for 250 tables (see below).
It would be very painful to code 250 individual queries.
Is there a way to loop through all 250 tables using "sysobjects WHERE type = 'U'", and applying the below code for each table (users table would remain constant)?
select co.*
from company table_type
where not exists(select * from users u
where (u.users_id = type.rn_create_user) or (u.users_id = type.rn_edit_user)
)
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Feb 2, 2007
Hi,
wondering if anybody could help i wondered if there is a way i could loop through a number of tables and append them to a new database at the moment, i'm writing a SQL statment for each table and when there's about 50 this becomes slightly tedious......
this is my SQL statment in a SP,
INSERT INTO DB2.dbo.datatable1
SELECT *
FROM DB1.dbo.datatable1;
INSERT INTO DB2.dbo.datatable2
SELECT *
FROM DB1.dbo.datatable2;
.
.
.
Is there a way to loop??
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Mar 19, 2007
Hi All,
I have 12 files pertaining to 12 months in a folder(ex: Jan.txt,Feb.txt... Dec.txt).
I want to loop through these file in order (Jan,Feb...dec).
How can implement this in SSIS?
Thanks,
Prakash.P
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Mar 19, 2007
Hi All,
I have 12 files pertaining to 12 months in a folder(ex: Jan.txt,Feb.txt... Dec.txt).
I want to loop through these file in order (Jan,Feb...dec).
How can implement this in SSIS?
Thanks,
Prakash.P
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Jul 9, 2007
Hi,
I need to create a cursor that will loop through my customer database to return matching rows of data based on my select statement criteria. I have written most of it based on what I remember from my limited SQL exposure at a previous job afew years ago, but I can't remember how to make the @cust_id varaible increment by 1 and loop to the end of the customer table.
Can anyone steer me in the right direction here please?
DECLARE @cust_id INT
SET @cust_id = 371
DECLARE my_cursor CURSOR FOR
SELECT CUSTOMER_ID, FULL_NAME, ADDRESS_LINE1, SUBURB, STATE, POSTCODE
FROM CUSTOMER_LANGUAGE_DETAILS
WHERE POSTCODE IN (SELECT POSTCODE
FROM CUSTOMER_LANGUAGE_DETAILS
WHERE CUSTOMER_ID = @cust_id
AND INACTIVE = 0 )
AND CUSTOMER_ID <> @cust_id
SELECT CUSTOMER_ID, FULL_NAME, ADDRESS_LINE1, SUBURB, STATE, POSTCODE
FROM CUSTOMER_LANGUAGE_DETAILS
WHERE CUSTOMER_ID = @cust_id
AND INACTIVE = 0
OPEN my_cursor
--SET @cust_id = @cust_id + 1
FETCH NEXT FROM my_cursor
WHILE @@FETCH_STATUS = 0
BEGIN
FETCH NEXT FROM my_cursor
END
CLOSE my_cursor
DEALLOCATE my_cursor
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Sep 4, 2007
Hi,
Hopefully someone can assist me with what appears to be a simple issue - and hopefully I am just looking in the wrong location - because I am almost going nuts trying to work this out!!
I am wanting to pickup a file from a given folder, do some transformations on the data within the file, and then dump each row within the original file as a seperate txt file into a new folder.
I have managed to get it working - well all except having each row as a seperate txt file. Currently all the rows are outputed into the same txt file. argh
As it stands I have a For Each Loop Container, within this i have a Data Flow Container; which in itself, just has the source, some derived columns, and then an output.
How can I get this to pull each row from the source and put it as a seperate txt file. If someone can just nudge me in the right direction it would be much appreciated.
Thanks in advance
Troy
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Aug 14, 2007
Can anyone give me a hand on how to loop this query until there are no results left, this is going to be part of a stored procedure by the way.
Code Snippet
declare @strcharid varchar(21)
set @strcharid = (select top 1 struserid from userdata where class = '108' and authority = '1')
update tb_user set strauthority = '255', BanReason = 'Master Skill Hack', TermDate = getdate() where straccountid in (select top 1 straccountid from ip_tracker where strcharid = @strcharid)
update userdata set loyalty = '0' where struserid = @strcharid
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Aug 17, 2007
Hello - I am somewhat new to stored procedures, so please be patient. I need to know how to go about wring a stored proc to loop through all of the tables in a db and delete the records in them.
I'm assuming a stored procedure is the best way to do this. If there is a better way, please let me know
I think I'm on the right track with this below
/* Create in each database that it is used in */
CREATE PROC usp_DBCCCheckTable
AS
/* Declare Variables */
DECLARE @v_table sysname,
@v_SQL NVARCHAR(2000)
/* Declare the Table Cursor (Identity) */
DECLARE c_Tables CURSOR
FAST_FORWARD FOR
SELECT name
FROM sysobjects obj (NOLOCK)
WHERE type = 'U'
OPEN c_Tables
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Jan 19, 2008
HI:
I am trying to loop through files in a directory. The tricky part here is that the last part of the filename has seconds, and I never know what that is. I need to use some sort of wildcard I think here. Basically I have a directory with these files:
Export20080112_01_00_08.csv
Export20080113_01_00_06.csv
Export20080114_01_00_03.csv
Once you have got the YYYYMMDD part you have a unique file, so the rest I don't care about. If I could just open the files the way you use a wildcard when you do Windows file searches I could store these in a table:
Export20080112*.csv
Export20080213*.csv
Export20080114*.csv
then use the For Each Container in SSIS for ADO and loop through the filenames. The other option is to use the For Each File but that has to loop through all the files.
Is there a good way to do this using a wildcard?
Thanks,
Kayda
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Sep 10, 2007
I have an application that manages the booking of rooms in several different buildings, and am trying to build an SSIS package to build a table containing records showing the total number of hours per day that each building is being used. Because two bookings in the same building can take place at the same time or overlap with each other, it's not a straightforward sum of the hours per booking.
I've written a VBA script that loops through booking records comparing their start and end times, building a total value for each day, and then writing the building id, date and total hours to a table. My problem is that I'm not sure how to do this
in SSIS. The script component operates on row by row basis so doesn't seem to allow looping through records, and the aggregate component doesn't allow scripts.
I'm still pretty new to SSIS so may be missing something obvious, but if anyone has help to offer it would be greatly appreciated.
Thanks,
Tim
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Aug 18, 2007
I have a DTS PACKAGE IN SQL 2000 where I need to use vbscript to loop thru the files. I have the package detecting the directory - and the file, BUT the file itself has an interval number from 1- 48 set within it. So in one day I am getting 48 different files.
I can not delete previous files or move them - so I need to - each day - loop thru the day for each interval.
Any thoughts on how I can do this?
Interval 1 = 12:00 AM
Interval 2 = 12:30 AM
Interval 3 = 1:00 AM
etc. etc.
Thanks!
M
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Mar 6, 2007
Hello,
I have following VB code, in which I open a table and check whether there are records:
Dim SQL_CONNECTION_NTFNS As New SqlConnection
Dim SQL_COMMAND_NTFNS As New SqlCommand
Dim SQL_DATASET_NTFNS As New DataSet
Dim SQL_ADAPTER_NTFNS As New SqlDataAdapter(SQL_COMMAND_NTFNS)
SQL_CONNECTION_NTFNS.ConnectionString = str_DBSE_Connect
SQL_COMMAND_NTFNS.Connection = SQL_CONNECTION_NTFNS
SQL_COMMAND_NTFNS.CommandText = "SELECT * FROM Table"
Try
SQL_COMMAND_NTFNS.Connection.Open()
SQL_ADAPTER_NTFNS.Fill(SQL_DATASET_NTFNS)
Dim SQL_READER_NTFNS As SqlClient.SqlDataReader = SQL_COMMAND_NTFNS.ExecuteReader
With SQL_READER_NTFNS.Read
If SQL_READER_NTFNS.HasRows Then
???????
SQL_READER_NTFNS.NextResult()
End If
End With
Catch
' Catch Something
Finally
' Dispose everything
End Try
At the ??????? I want to loop through the records and perform some actions, until it reaches the end (EOF?), thus a 'do while until loop'.
How can I do this?
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Sep 6, 2007
Hi.
This is my first attempt at a using stored procedures and I'm a bit confused.
I'm trying to follow as many best practices as I can to improve speed, security and scalability. However, I can't find a solution to what I think should be a simple problem.
I have a search page where users enter the criteria of properties they are interested in (bedrooms, price etc...). That takes them to a results page where the properties are displayed.
The problem is that I want the amount of times each property has been shown on the results page to be tracked so the property owner gets statistics.
The property details are all held in a single table along with the amount of times each property has be shown:
Table Name: zk_Property_USA
ID
INT
User_ID
INT
Property_Type
TINYINT
Market_Status
TINYINT
Price
INT
Bedrooms
TINYINT
Address_State
VARCHAR
Address_Location
VARCHAR
Property_Description
VARCHAR
Searched
INT
0
Contacted
INT
0
I'm trying to find a way to SELECT all the property details to be returned to my results page and UPDATE the "Searched" field by 1 without re-scanning the table for the UPDATE.
Is there a way to update "Searched" at the time when the record is chosen to be a result? I am using SQL Server 2005 and Visual Basic ASP.NET 2.0.
Many Thanks
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Feb 26, 2008
I have a stored procedure which adds a color + colortype to a table. I then need to select from a separate table all tools that support the colortype. Finally I need to insert into a separate table the tools + colortype. I would like to do this all in one stored procedure.My rough code is:INSERT INTO ColorsTable (color, colortype) VALUES (@color, @colortype);SELECT tools FROM ToolsTable WHERE colortype = @colortype[For Each tool] INSERT INTO MyTable tool, @colortypeMy problem is that I don't understand how to do a For Each Thank-you for any advice.
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