Temp Table Exists
Sep 14, 2000
What is the best way to programmatically determine if a temp table exists? In 6.5, I would use
IF EXISTS(SELECT * from tempdb..sysobjects where id = object_id('tempdb..#MyTable') and type = 'U')
But now that it is strongly discouraged to code against system tables, how could I re-write this statement?
The proper way to check the existence of a table would be:
IF OBJECTPROPERTY(object_id('tablename'), 'IsTable') = 1
However, to get this to run for a temp table, I think you'd have to change the database context to tempdb and then back to your database. That doesn't seem efficient.
I could use
IF object_id('tempdb..#MyTable') IS NOT NULL
But that's not guarenteeing that it's a table, right?
Any ideas?
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Jul 23, 2005
HelloI am using a temp table called ##temp in an SProc but often get themessage that the table already exists. Could this be because the SProcis being run by more than 2 webpages at the same time?Or is it because the sProc has an error and is not getting to the droptable line?I have tried adding a line to test if the object exists and to drop thetable before I create it. If I drop it will it affect another instanceof the sProc that is using the same table name?If so is there a way around this?Many thanksNigel
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Jan 21, 2010
What is the best way to drop a temp table if it exists? I am looking something similar to this: if exists (select top 1 * from #TableName) then drop #TableName else end
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Apr 9, 2014
Below are my temp tables
--DROP TABLE #Base_Resource, #Resource, #Resource_Trans;
SELECT data.*
INTO #Base_Resource
FROM (
SELECT '11A','Samsung' UNION ALL
[Code] ....
I want to loop through the data from #Base_Resource and do the follwing logic.
1. get the Resourcekey from #Base_Resource and insert into #Resource table
2. Get the SCOPE_IDENTITY(),value and insert into to
#Resource_Trans table's column(StringId,value)
I am able to do this using while loop. Is there any way to avoid the while loop to make this work?
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Sep 20, 2006
Hi,
This is on Sybase but I'm guessing that the same situation would happen on SQL Server. (Please confirm if you know).
I'm looking at these new databases and I'm seeing code similar to this all over the place:
if not exists (select 1 from dbo.t1 where f1 = @p1)
begin
select @errno = @errno | 1
end
There's a unique clustered in dex on t1.f1.
The execution plan shows this for this statement:
FROM TABLE
dbo.t1
EXISTS TABLE : nested iteration.
Table Scan.
Forward scan.
Positioning at start of table.
It's not using my index!!!!!
It seems to be the case with EXISTS statements. Can anybody confirm?
I also hinted to use the index but it still didn't use it.
If the existence check really doesn't use the index, what's a good code alternative to this check?
I did this and it's working great but I wonder if there's a better alternative. I don't really like doing the SET ROWCOUNT 1 and then SET ROWCOUNT 0 thing. SELECT TOP 1 won't work on Sybase, :-(.
SET ROWCOUNT 1
SELECT @cnt = (SELECT 1 FROM dbo.t1 (index ix01)
WHERE f1 = @p1
)
SET ROWCOUNT 0
Appreciate your help.
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Jun 24, 1999
I think this is a very simple question, however, I don't know the
answer. What is the difference between a regular Temp table
and a Global Temp table? I need to create a temp table within
an sp that all users will use. I want the table recreated each
time someone accesses the sp, though, because some of the
same info may need to be inserted and I don't want any PK errors.
thanks!!
Toni Eibner
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Jun 21, 2015
Previously same records exists in table having primary key and table having foreign key . we have faced 7 records were lost from primary key table but same record exists in foreign key table.
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Jul 14, 2015
I need to find out if a Transaction ID exists in Table A that does not exist in Table B. If that is the case, then I need to insert into Table B all of the Transaction IDs and Descriptions that are not already in. Seems to me this would involve If Not Exists and then an insert into Table B. This would work easily if there were only one row. What is the best way to handle it if there are a bunch of rows? Should there be some type of looping?
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Feb 11, 2015
i am inserting something into the temp table even without creating it before. But this does not give any compilation error. Only when I want to execute the stored procedure I get the error message that there is an invalid temp table. Should this not result in a compilation error rather during the execution time.?
--create the procedure and insert into the temp table without creating it.
--no compilation error.
CREATE PROC testTemp
AS
BEGIN
INSERT INTO #tmp(dt)
SELECT GETDATE()
END
only on calling the proc does this give an execution error
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Jul 19, 2012
I don't know if it's a local issue but I can't use temp table or table variable in a PP query (so not in a stored procedure).
Environment: W7 enterprise desktop 32 + Office 2012 32 + PowerPivot 2012 32
Simple example:
declare @tTable(col1 int)
insert into @tTable(col1) values (1)
select * from @tTable
Works perfectly in SQL Server Management Studio and the database connection is OK to as I may generate PP table using complex (or simple) queries without difficulty.
But when trying to get this same result in a PP table I get an error, idem when replacing table variable by a temporary table.
Message: OLE DB or ODBC error. .... The current operation was cancelled because another operation the the transaction failed.
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Jul 20, 2005
Hi thereApplication : Access v2K/SQL 2KJest : Using sproc to append records into SQL tableJest sproc :1.Can have more than 1 record - so using ';' to separate each linefrom each other.2.Example of data'HARLEY.I',03004,'A000-AA00',2003-08-29,0,0,7.5,7.5,7.5,7.5,7.0,'Notes','General',1,2,3 ;'HARLEY.I',03004,'A000-AA00',2003-08-29,0,0,7.5,7.5,7.5,7.5,7.0,'Notes','General',1,2,3 ;3.Problem - gets to lineBEGIN TRAN <---------- skipsrestINSERT INTO timesheet.dbo.table14.Checked permissions for table + sproc - okWhat am I doing wrong ?Any comments most helpful......CREATE PROCEDURE [dbo].[procTimesheetInsert_Testing](@TimesheetDetails varchar(5000) = NULL,@RetCode int = NULL OUTPUT,@RetMsg varchar(100) = NULL OUTPUT,@TimesheetID int = NULL OUTPUT)WITH RECOMPILEASSET NOCOUNT ONDECLARE @SQLBase varchar(8000), @SQLBase1 varchar(8000)DECLARE @SQLComplete varchar(8000) ,@SQLComplete1 varchar(8000)DECLARE @TimesheetCount int, @TimesheetCount1 intDECLARE @TS_LastEdit smalldatetimeDECLARE @Last_Editby smalldatetimeDECLARE @User_Confirm bitDECLARE @User_Confirm_Date smalldatetimeDECLARE @DetailCount intDECLARE @Error int/* Validate input parameters. Assume success. */SELECT @RetCode = 1, @RetMsg = ''IF @TimesheetDetails IS NULLSELECT @RetCode = 0,@RetMsg = @RetMsg +'Timesheet line item(s) required.' + CHAR(13) + CHAR(10)/* Create a temp table parse out each Timesheet detail from inputparameter string,count number of detail records and create SQL statement toinsert detail records into the temp table. */CREATE TABLE #tmpTimesheetDetails(RE_Code varchar(50),PR_Code varchar(50),AC_Code varchar(50),WE_Date smalldatetime,SAT REAL DEFAULT 0,SUN REAL DEFAULT 0,MON REAL DEFAULT 0,TUE REAL DEFAULT 0,WED REAL DEFAULT 0,THU REAL DEFAULT 0,FRI REAL DEFAULT 0,Notes varchar(255),General varchar(50),PO_Number REAL,WWL_Number REAL,CN_Number REAL)SELECT @SQLBase ='INSERT INTO#tmpTimesheetDetails(RE_Code,PR_Code,AC_Code,WE_Da te,SAT,SUN,MON,TUE,WED,THU,FRI,Notes,General,PO_Nu mber,WWL_Number,CN_Number)VALUES ( 'SELECT @TimesheetCount=0WHILE LEN( @TimesheetDetails) > 1BEGINSELECT @SQLComplete = @SQLBase + LEFT( @TimesheetDetails,Charindex(';', @TimesheetDetails) -1) + ')'EXEC(@SQLComplete)SELECT @TimesheetCount = @TimesheetCount + 1SELECT @TimesheetDetails = RIGHT( @TimesheetDetails, Len(@TimesheetDetails)-Charindex(';', @TimesheetDetails))ENDIF (SELECT Count(*) FROM #tmpTimesheetDetails) <> @TimesheetCountSELECT @RetCode = 0, @RetMsg = @RetMsg + 'Timesheet Detailscouldn''t be saved.' + CHAR(13) + CHAR(10)-- If validation failed, exit procIF @RetCode = 0RETURN-- If validation ok, continueSELECT @RetMsg = @RetMsg + 'Timesheet Details ok.' + CHAR(13) +CHAR(10)/* RETURN*/-- Start transaction by inserting into Timesheet tableBEGIN TRANINSERT INTO timesheet.dbo.table1select RE_Code,PR_Code,AC_Code,WE_Date,SAT,SUN,MON,TUE,WE D,THU,FRI,Notes,General,PO_Number,WWL_Number,CN_Nu mberFROM #tmpTimesheetDetails-- Check if insert succeeded. If so, get ID.IF @@ROWCOUNT = 1SELECT @TimesheetID = @@IDENTITYELSESELECT @TimesheetID = 0,@RetCode = 0,@RetMsg = 'Insertion of new Timesheet failed.'-- If order is not inserted, rollback and exitIF @RetCode = 0BEGINROLLBACK TRAN-- RETURNEND--RETURNSELECT @Error =@@errorprint ''print "The value of @error is " + convert (varchar, @error)returnGO
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Sep 23, 2015
If on the source I have a new column, the script generated by SqlPackage.exe recreates the table on the background with moving the data into a temp storage. If the table is big, such approach can cause issues.
Example of the script is below: in the source project I added columns [MyColumn_LINE_1] and [MyColumn_LINE_5].
Is there any way I can make it generating an alter statement instead?
BEGIN TRANSACTION;
SET TRANSACTION ISOLATION LEVEL SERIALIZABLE;
SET XACT_ABORT ON;
CREATE TABLE [dbo].[tmp_ms_xx_MyTable] (
[MyColumn_TYPE_CODE] CHAR (3) NOT NULL,
[Code] ....
The same script is generated regardless the table having data or not, having a clustered or nonclustered PK.
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Oct 25, 2015
I have a temp table like this
CREATE TABLE #Temp
(
ID int,
Source varchar(50),
Date datetime,
CID varchar(50),
Segments int,
Air_Date datetime,
[code]....
Getting Error
Msg 102, Level 15, State 1, Procedure PublishToDestination, Line 34 Incorrect syntax near 'd'.
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Jun 6, 2005
Hello,
I am receiving the following error:
Column name or number of supplied values does not match table definition
I am trying to insert values into a temp table, using values from the table I copied the structure from, like this:
SELECT TOP 1 * INTO #tbl_User_Temp FROM tbl_User
TRUNCATE TABLE #tbl_User_Temp
INSERT INTO #tbl_User_Temp EXECUTE UserPersist_GetUserByCriteria @Gender = 'Male', @Culture = 'en-GB'
The SP UserPersist_GetByCriteria does a
"SELECT * FROM tbl_User WHERE gender = @Gender AND culture = @Culture",
so why am I receiving this error when both tables have the same
structure?
The error is being reported as coming from UserPersist_GetByCriteria on the "SELECT * FROM tbl_User" line.
Thanks,
Greg.
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Aug 14, 2015
Below is my table structure. And I am inserting data from other temp table.
CREATE TABLE #revf (
[Cusip] [VARCHAR](50) NULL, [sponfID] [VARCHAR](max) NULL, GroupSeries [VARCHAR](max) NULL, [tran] [VARCHAR](max) NULL, [AddDate] [VARCHAR](max) NULL, [SetDate] [VARCHAR](max) NULL, [PoolNumber] [VARCHAR](max) NULL, [Aggregate] [VARCHAR](max) NULL, [Price] [VARCHAR](max) NULL, [NetAmount] [VARCHAR](max) NULL,
[Code] ....
Now in a next step I am deleting the records from #revf table. Please see the delete code below
DELETE
FROM #revf
WHERE fi_gnmaid IN (
SELECT DISTINCT r2.fi_gnmaid
FROM #revf r1, #revf r2
[Code] ...
I don't want to create this #rev table so that i can avoid the delete statement. But data should not affect. Can i rewrite the above as below:
SELECT [Cusip], [sponfID], GroupSeries, [tran], [AddDate], [SetDate], [PoolNumber], [Aggregate], [Price], [NetAmount], [Interest],
[Coupon], [TradeDate], [ReversalDate], [Description], [ImportDate], MAX([fi_gnmaid]) AS Fi_GNMAID, accounttype, [IgnoreFlag], [IgnoreReason], IncludeReversals, DatasetID, [DeloitteTaxComments], [ReconciliationID],
[Code] ....
If my above statement is wrong . Where i can improve here? And actually i am getting 4 rows difference.
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Sep 8, 2006
Hello
Is it possible to insert data into a temp table with data returned from a stored procedure joined with data from another table?
insert #MyTempTable
exec [dbo].[MyStoredProcedure] @Par1, @Par2, @Par3
JOIN dbo.OtherTable...
I'm missing something before the JOIN command. The temp table needs to know which fields need be updated.
I just can't figure it out
Many Thanks!
Worf
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Sep 17, 2007
In a table-valued UDF, does the UDF use a table variable or a temp table to form the resultset returned?
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Nov 23, 2007
Hello guys..
Can u plz help me by giving me an idea how i can copy the temp table data to permanent table
Thanks,
sohails
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Jan 23, 2008
Hi!
What is the difference in performance if I use a Temp-table or a local-table variable in a storedprocedure?
Why?
//Daniel
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Oct 5, 2015
I want to insert the data from temp table to other table. Only condition is, it needs to sorted based on tool number and tool date. For example if we have ten records for tool number 1000, it should be order by tool number and then based on tool_dt. Both tables doesn't have any primary keys. Please find below my code. I removed all the unnecessary columns for simple understanding. INSERT INTO tool_summary (tool_nbr, tool_dt) select tool_nbr, tool_dt from #tool order by tool_nbr, tool_dt...But this query is not working as expected. Data is getting shuffled.
Actual Data
Expected Result
1000
1-Aug
1000
1-Feb
1000
1-Jul
1000
[code]....
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Dec 19, 2007
WE have a job that loads data from an Oralce DB into our SQL Server 2000 DB twice a day. The schedule has just changed so that now there is a possibility of having my west coast users impacted when it runs at 5 PM PST and my east coast users impacted when it runs at 7 AM EST. As a workaround, I have developed a DTS package that loads the data into temp tables instead of the real tables. IE. Oracle -> XTable_temp instead of Oracle -> XTable. The load sometimes takes about an hour to an hour and a half to load, so this solution works great, but I want to then lock the table, delete it and rename the temp table to table X. The pseudo code would be:
Begin Transaction
Lock Table XTable
Drop XTable
Alter Table XTable_temp rename to XTable
Release Lock XTable
End Transaction
Create XTable_temp
I see two issues with this solution. 1) I think if I can lock XTable that the lock would be released when the table is dropped and the XTable_temp was being renamed. 2) I can't find a command to rename a table.
Any ideas on a process that might help?
TIA,
A
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Jul 11, 2006
I want to pass the 'inserted' table from a trigger into an SP, I think I need to do this by dumping inserted table into a temporary table and passing the temp table. However, I need to do this for many tables, and don't want to list all the column names for each table/trigger (maintenance nightmare).
Can I dump the 'inserted' table to a temp table WITHOUT specifying the column names?
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May 7, 2007
I have a textbox1 control where a zip code is entered. What is the most efficient way in C# code behind to see if that zip code exists in tblZipCode? I only need to know if it is there, do not need to know how many occurances.
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Jun 10, 2008
HI,
having a problem with a data loading from 2005 to 2000. Im using export & import wizard. But the problem comes when the user drops a table on 2005. Anyway to check if table exista then use the E&I to load the data.
I cant use the BCP as xp_shellcmd is disable.
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Jan 17, 2008
Hi all,I am in the process of creating a page that checks to see if a particular user exists in the database and if it does then send to welcome.aspx if not then accessdenied.aspx. The userid is requested from the query string.I have done some research and cannot find anything directly related, I have tried to add bits of code into what i think is the right place but I dont think what i am doing is correct. Can someone help and show me where my code is going wrong? Also is there a better/more efficient way to do what I am doing?Thanks in advance. default.aspx.csusing System;using System.Data;using System.Data.SqlClient;using System.Configuration;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class _Default : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { string UserID = Request.QueryString["uid"]; //string TransferPage; if (UserID != null) { //initiate connection to db SqlConnection objConnect = new SqlConnection(System.Configuration.ConfigurationManager.ConnectionStrings["MyConnection"].ConnectionString); string sql = "SELECT COUNT(*) FROM members WHERE UserID = '" + UserID + "'"; SqlCommand query = new SqlCommand(cmd, test); int count = (int)query.ExecuteScalar(); int aantal = -1; // some default value if can't insert record if (count == 0) // no existing record for username { Server.Transfer("accessdenied.aspx"); } else { Session["UID"] = UserID; Server.Transfer("welcome.aspx"); } } }}
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Feb 9, 2008
i am using vb.net and ms sql server 2005 express.....what is the syntax for dropping a table if existsi have used this but it says incorrect syntax near if Dim cmda As New SqlCommand("drop table " + test + " if exists", New SqlConnection(strdb)) cmda.Connection.Open() cmda.ExecuteNonQuery() cmda.Connection.Close()any solutions???? plz only answer in vb.net and sql server express
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May 2, 2000
How do I find out if a temporary table named '##test' exists? I have a stored
procedure that creates this table and if it exists another stored procedure
should do one thing, if it does not exist I want the SP to do something else.
Any help as to how I can determine if this table exists at the current time
would be greatly appreciated.
Thanks in advance for you help,
Jon
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Aug 10, 1999
I need a snippet of code that will determine wether or not a table exists in a database...
thanx
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Feb 18, 2004
in mysql i can drop a table or db if it currently exists using
drop table if exists [table1] or
drop database if exists [db1]
is there an equalivant in ms sql
thanks
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May 20, 2008
Hi,
This my first time using the link server to read the files directly from within SQL2005, so issues the following link:-
EXEC sp_addlinkedserver
@server = N'MYVFPSERVER', -- Your linked server name here
@srvproduct=N'Visual FoxPro 9', -- can be anything
@provider=N'VFPOLEDB',
@datasrc=N'"C:PROGRAM FILESMICROSOFT VISUAL FOXPRO 9Samplesdata estdata.dbc"'
After that i can open query and do the import issues, but how can check if the table exists before issues the query.
Best regards
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Jan 26, 2006
Hi,I am trying to create a script that deletes transaction tables and leavesmaster data like customer, vendors, inventory items, etc. How can I useTRUNCATE TABLE with an Exists? My problem is I have 200+ tables, if Isimply use a list like:truncate table01truncate table02truncate table03....I get errors if the table does not exist and have to manually run thetruncate statements. Some tables may not exist if that part of the app isnever used. I'm trying to make a list of all tables that could existwithout it erroring out 50+ times.Thanks in advance.
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Dec 17, 2004
I need to decide what is better to use: global temp table ( I can't use local one) or permanent table in SQL 2000 stored procedures. I extract data from linked server table and update several tables on our server.
Those procedures scheduled to run every 3 hours.
Another question: for some reasons when I used global temp table, I wasn't able to schedule multi steps with every step executing one of the stored procedures.I think global temp tables should be visible to other stored procedures, right?
Your suggestions?
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Feb 21, 2007
Hi everyone, I'm fairly new to sql and right now I am struggling with a script. I am trying to extract data from a normal table into a temporary table, update it in the temporary table, then put it back into the normal table. I'll display my code, let me know what you think, any suggestions are appreciated. Thanks a lot.
Create table scripts (
UserID int,
UserName char(50),
ScrRan char(50),
StartTime datetime default getdate(),
EndTime datetime);
Create table errors (
ID int,
UserName char(50),
UserLogin char(50),
ErrorNumber int,
Message char(100),
TimeOfError datetime default getdate());
declare @error int
declare @msg varchar(100)
declare @startTime datetime
declare @endTime datetime
select @startTime = getDate()
SELECT *
INTO #Temp
FROM Publisher
WHERE pub_Name = 'Scene Publishing'
UPDATE #Temp
SET pub_Name = UPPER(pub_Name)
SELECT *
INTO Publisher
FROM #Temp
--Begins Error Checking Routine
select @error = @@error
IF @error <> 0
BEGIN
select @msg ='error: ' + convert(varchar(7), @error) +
''
insert into errors values (@@SPID, USER, USER_NAME(), @error,
@msg, getDate())
END
ELSE
BEGIN
select @endTime = getDate()
insert into scripts values (@@SPID, SYSTEM_USER, @startTime, @endTime)
END
select * from errors
select * from scripts
lost and loaded.
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