Create Global Temporary Tables In SQL SERVER

Sep 6, 2006

I m trying to create a global temporary table whose data will be deleted after the end of the session..

the DDL in oracle is

CREATE GLOBAL TEMPORARY TABLE STUDENT
(

name CHAR(20),

) ON COMMIT DELETE ROWS ;

I want to know the corresponding DDL in SQL Server..

when i try the following

CREATE TABLE ##STUDENT
(

name CHAR(20),

)

the table gets deleted at the end of the session..help needed

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SQL Server 2012 :: Maximum Number Of Global Temporary Tables?

Dec 9, 2014

What is the maximum no.of global temporary tables can create in sql server

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SQL Server 2012 :: Creating And Dropping Global Temporary Table?

Apr 3, 2015

I want to create and drop the global temporary table in same statement.

I am using below command but I am getting below error

Msg 2714, Level 16, State 6, Line 11

There is already an object named '##Staging_Temp' in the database.

if object_id('Datastaging..##Staging_Temp') is not null
begin
drop table ##Staging_Temp
end
CREATE TABLE ##Staging_Temp(
[COL001] [varchar](4000) NULL,

[Code] ....

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Thanks in advance for your help.

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Has Any One Know How To Create Temporary Tables Inside Dynamic SQL?.

Jul 28, 2000

it seems like i am able to create it. But when i try to access that
temporary table, i get an error "Invalid object".
this is happening only when i try to create local temporary table.
Global temporary table works fine inside the dynamic SQL.

Any Help appreciated.

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Oct 16, 2007

Hi,
I'd like to create a temporary table (# or ## table) and have it available in DataFlow to work with it. I see I can create it using "Execute SQL Task" component in ControlFlow; but it's not available in DataFlow. It seems it should be created by a DataFlow component to be seen in the same DataFlow.
Any Idea on this?

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Apr 7, 2007

Dear All,

This is my first post to this forum.

I would like to know if there is any way to restrict users from creating temp tables.

Problem: I am facing problems with lots of temporary objects getting created in my database. The users have read-only access to the database for adhoc-querying purpose through QA. Yet they are able to create temporary tables in tempdb database taking lot of resources on tempdb disk causing abnormally high growth of tempdb.

Thanks in advance.

Best Regards,

Chetan Jain

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Global Temporary Table

Dec 23, 2006

Hi,
what im trying to do is to combine multiple SELECT staetment so that it could produce 1 dataset instead of 2(multiple). (fields and column are same, just different tblname). Okay, so im thinking of insert those into temp table.

1. select statement 1 > insert into #MyTemp
2. select statement 2 > i want to insert into #MyTemp too...

Problem is sql disallowed this. That's why im thinking of global temporary table, but dunno how to write tht :P.
Pliz help. Thanks in advance

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Jul 23, 2005

Hello all,I'm using SS2K on W2K.Brieffing: Many months ago, I created a stored procedure only used by thosewith admin rights in SS. Now, someone else (without admin rights) has to runit. I gave him rigth to execute the SP but, at the second and moreexecution, he got a error message concerning a temp table already existing(see further).The SP:------------------------------------------------------CREATE PROCEDURE MySP@Type INTDECLARE @strSQL AS VARCHAR(4000)IF EXISTS (SELECT table_name FROM tempdb.information_Schema.tables WHEREtable_name = '##MyTmpTable')DROP TABLE ##MyTmpTableSELECT @strSQL = 'SELECT MyField1, MyField2, MyField3 INTO ##MyTmpTable FROMMyTable'EXECUTE(@strSQL)IF @Type = 1SELECT MyField1FROM ##MyTmpTableELSE IF @Type = 2SELECT MyField2FROM ##MyTmpTableELSESELECT MyField3FROM ##MyTmpTableGO------------------------------------------------------The error I got on the second time the user run the sp is: "Table##MyTmpTable already exists." The front-end where this SP is run is A97.That's where I got this message. This SP looks like a simple SELECT queryfrom A97 users perspective.Please, do no argue about the way of doing the work done! It is simplifiedat most in order to make it short and easy to read. I have to use thecommand "EXECUTE(String)" and, because of this, I connot use a localtemporary table instead of a global one.I suspect non-admin user cannot drop global temporary table, but the errormessage makes me believe that this code line is not even run, as if thecondition "IF EXISTS(...)" return false even if the table actualy exists.Anybody can help about this? What should I do to solve this problem?Yannick

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Jan 29, 2001

We are trying to use a ## table (global temporary table) in Access or Excel thru a ODBC connection to tempdb. We are able to see the system tables, but not any ## tables. We are able to perform selects on the same ## table with the same userid and password in Query Analyzer. If we use sa or make the userid dbo we are able to see the ## tables, but I don't want to give these type of permissions.

Any help would be appreciated. Thanks in advance.

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Mar 28, 2008

Hi,

I have a report that calls a stored procedure that creates an extract of data for use by various subreports. Now I have this problem:

If I save the extract data in a global temporary table, then it is automatically deleted before the subreports can use it, this means I have to create a normal table with a unique name that need to be deleted - but where do you do this in the report - there is no point where you can say it is now safe to delete a table?

I do not want to resort to external mechanisms, languages, jobs etc. to do this. I want to delete the table once the report is really finished in the report.

My main report uses a list that contains all the subreports as I need to group all sorts of information by vendor. The main report calls the stored procedure. Please do not tell me that I have to duplicate the main extract for every subreport. That will really eat resources.

Thanks in advance.

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Mar 28, 2008

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Oct 5, 2006

Hi!

I have a stored proc that creates a global temp table. How can I have multiple users select records from and insert records in that table without overwriting and/or deleting data?

Thanks so much for your help!

-Parul

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Oct 18, 2006

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Jun 3, 2006

There are two ways to create a temporary tables in stored procedures

1: Using Create Table <Table Name> & then Drop table

ex. Create Table emp (empno int, empname varchar(20))

at last : drop table emp

2. Using Create table #tempemp

( empno int, empname varchar(20))

at last : delete #tempemp

---which one is preferrable & why.

what are the advantages & disadvantages of the above two types.

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Oct 5, 2007

Firstly I consider myself quite an experienced SQL Server user, andamnow using SQL Server 2005 Express for the main backend of mysoftware.My problem is thus: The boss needs to run reports; I have designedthese reports as SQL procedures, to be executed through an ASPapplication. Basic, and even medium sized (10,000+ records) reportingrun at an acceptable speed, but for anything larger, IIS timeouts andquery timeouts often cause problems.I subsequently came up with the idea that I could reduce processingtimes by up to two-thirds by writing information from eachcalculationstage to a number of tables as the reporting procedure runs..ie. stage 1, write to table xxx1,stage 2 reads table xxx1 and writes to table xxx2,stage 3 reads table xxx2 and writes to table xxx3,etc, etc, etcprocedure read final table, and outputs information.This works wonderfully, EXCEPT that two people can't run the samereport at the same time, because as one procedure creates and writesto table xxx2, the other procedure tries to drop the table, or read atable that has already been dropped....Does anyone have any suggestions about how to get around thisproblem?I have thought about generating the table names dynamically using'sp_execute', but the statement I need to run is far too long(apparently there is a maximum length you can pass to it), and evenbreaking it down into sub-procedures is soooooooooooooooo timeconsuming and inefficient having to format statements as strings(replacing quotes and so on)How can I use multiple tables, or indeed process HUGE procedures,withdynamic table names, or temporary tables?All answers/suggestions/questions gratefully received.Thanks

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Feb 8, 2007

I just want to store the value of a parameter in a global variable that all my reports in the same project can use.

My goal is to create a dynamic query. For example:

Company Name: Widgets inc.

Divisions: Sales, Service, Tech, Accounting

I have a matrix and when I click on the more information button it goes to another report. I want the next report to know what division is currently selected in the dropdown parameter. So, being a VB programmer, I thought I could store parameter1.division.value into a global variable and update the variable whenever the parameter changes.

This way, on the next report, my query's where statement is the global variable.

@GlobalVariable = parameter1.division.value

Select name, address, phone FROM Employee WHERE division = @GlobalVariable

I am using Visual Studio to design this project although I would prefer to use VB or ASP. But this is my only stumbling block right now. Everything else is complete.

Please let me know if anyone can help.

Thanks.

John

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Mar 10, 2008

I have some reports in the same project.
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Aug 9, 2007

Hi guys,

I have a number of reports deployed on the report server. I want to point all these reports to another data source. Currently, what I am doing is go to the individual report on the report server and change the data source property to point to the new data source. It is very tedious to do the same thing for all of the reports.

So, Is there any way to point all the reports under a project at one time.

Any idea is appreciated.

Thx!

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Jan 4, 2007

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what s the syntax pls?
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Sep 3, 1998

When I use comands insert and update with VB5 and ODBC, one temporary stored procedure is created in database tempdb to each command executed.
These stored procedures are deleted only when the connection is closed.
My program use comands insert and update inside a loop, and a lot of temporary stored procedure are generated and full the database tempdb. When it occur, others systems are afecteds.

My questions:
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Wich have created this stored procedure ?
How to avoid it occur ?

The versions are:
SQL Server 6.5
Visual Basic 5.0
SQL Server ODBC Driver 2.65.0240

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Dec 10, 2007

*Groan* Sorry. One more.

ERD above is what my database looks like (ignore it's in Access, database is in SQL 2005)

I have this code:

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GROUP BY orderID
-- When Sum of the customer ID (and then) divided by the customer ID > 1
HAVING orderAmount > 1

which doesn't work because I never did find out how you make a column in the results to output your maths in.
orderAmount doesn't exist as a column in the database, but for this query it should show only those customers who have ordered more than once with the company.

Thanks again for any replies.

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Jul 20, 2005

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Sep 5, 2007

Hi there,
i have a requirement that a temporary table contains dynamic columns depending on where condition.

my actual table is like

Key
Value

X1
x

X3
x

X5
x

Y1
y

Y2
y
when user select x, the input variable passed to stored proc and the result is shown like

column names
X1 X3 X5 as column headers.

the select query is from temporary table.

these out put is based on the user selection. so the temporary table created with columns dynamically.

please help me out.
please let me know if you didn't understand.

thanks
Praveen.

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Aug 11, 1998

Hi everyone:

I am creating an sp, in which I check for the existence of a global temp table (using the exists)
statement. If the Exists returns a false, I move on to processing without the temp table. If it
returns a true, I utilize the temp table to do some inserts. I create the temp table when my
application first starts up. The problem that I am facing is that the check for the temp table`s
existence seems to be failing. Is there any other way to check for the existence of a global
temp table??

Any info really appreciated
Thanks
Nisha

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May 29, 2006

Hi group,

I want to create several global temp tables. I've created a script:

if not object_id('tempdb..##tbl_ProductTypes') is null
begin
drop table ##tbl_ProductTypes
end
select * into ##tbl_ProductTypes from dbo.tbl_ProductTypes

This script creates a global temp table. When I run it in QA the table is created. When I close QA the table is dropped. This is correct since I found the following in BoL:
[Global temporary tables are automatically dropped when the session that created
the table ends and all other tasks have stopped referencing them. The
association between a task and a table is maintained only for the life of a
single Transact-SQL statement. This means that a global temporary table is
dropped at the completion of the last Transact-SQL statement that was actively
referencing the table when the creating session ended.]

I created a job that executes the statement above. The job exists with success, however the table is not created!

Why wasn't the table created??

TIA

Regards,

SDerix

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Mar 15, 2004

Can you create a temporary table using an ad-hoc query?

What I am trying to do is a type of filter search (the user has this and this or this) were i will not know how may items the user is going to select until they submit....that is why i can't use a stored procedure(i think)....any help on how to do this?

Thanks,
Trey

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Sep 12, 2004

Hi could anyone give me a hint what does term "temporary table" mean regarding sql server?

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Nov 7, 2005

Hi all,
how can i execute this query without errors??

create table #luca(c int)
drop table #luca
select * into #luca
from anagrafica_clienti

The error lanched is:
Server: Msg 2714, Level 16, State 1, Line 6
There is already an object named '#luca' in the database.

Why if i drop the table?How can i do?Thanks guy

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Jan 15, 2007

Afternoon.

I'm having trouble with a query and ASP. The query itself is easy. I need a temporary table to be filled with the contents of a select and then i need to select out of the temporary table and return the results to the ASP.

So:

Code:

DECLARE @RESULTS TABLE (
ItemID int,
ItemDescription char(50),
ItemType int,
ItemRequestedBy char(50),
ItemStatus int,
ItemQuantity int,
ItemCostPer money,
ItemOrderNumber int,
DateAdded smalldatetime,
DateLastEdited smallDateTime
)

INSERT into @results (ItemID, ItemDescription, ItemType, ItemRequestedBy, ItemStatus, ItemQuantity, ItemCostPer, ItemOrderNumber, DateAdded, DateLastEdited)
SELECT * from cr_EquipmentData

SELECT * from @results

When I run this in Query Analyser, I get exactly the results I need... But when I try and run the ASP script, I get an error about the recordset not being open. (It's not the ASP checking 'cos when I run a simple select statement it works)

I appreciate there is no use for the query as it stands, but eventually I want to be able to perform not destructive statements on the @results table before returning the data to ASP. This is more 'testing' than anything at the mo'

Has anyone got any ideas?

Thanks...

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Apr 14, 2004

I am writing a stored procedure that outputs it's information to a temporary table while it assembles the information. Afterwards, it returns the contents of the temporary table as the results of the stored procedure.

I found that if you create the table, inside the SP, as an ordinary table, the information builds to that table considerably faster than if you use a true temporary table.

I found that if I create a user function that returns a table as it's return value, it is also as slow as if I used a true temporary table.

The database can amass over 2 million records in one table in just a few days. If I have the procedure query against this table, and output to an ordinary table it creates, and summarize the information it is adding to the table, then it takes an average of around 4 minutes to return the results from the query. If I change the output table to a temporary table (#temp), it between 12 and 15 minutes. Nothing else in the procedure changed. Just the kind of table. If I take the logic and move it to a function which returns those results in a RETURN table, it also takes over 14 minutes.

Why would it take so much longer outputing to a temporary table rather than a normal table? Is it because temporary tables are stored in a different database (tempdb)? Why would returning query results from a function be just as slow?