Verifing If Exists A Temporary Table
Apr 15, 2004Hi,
How can I verify if a temporary table called #X, for example, exists in database?
Thanks.
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Check If Temporary Table Exists
Oct 5, 2006Hello.
How can I check if a temporary table exists in the current context?
With normal tables I'd do a
EXISTS ( SELECT name FROM sysobjects
WHERE name='myTableName' AND type='U')
However, I can't do that with a temporary table. I'd have to go look at the sysobjects table in the tempdb database.
The problem is that for temporary tables, a suffix is added to the name to make it unique for each scope. I can't change the WHERE clause to name LIKE 'myTableName%' because this would return true if a temporary table with the same name exists in a different scope.
Any ideas?
Carlos
How To Check If A Temporary Table Exists?
Apr 29, 2008I apologize if this has been asked, and answered, before. I wasn't able to find relevant posts on the forum. A Google search pointed me to a couple of pages that offered this simple recipe:
if object_id('#temp') is not null
print 'table exists';
(I have also tried 'tempdb.#temp', and 'object_id(..,'U'))
Unfortunately, this doesn't work: the condition evaluates to 'false'. #temp is alive and well: strying to 'select .. into' it raises error
> There is already an object named '#temp' in the database.
Thanks a lot!
How To Check If Column Exists In Temporary Table
Jun 13, 2008I am trying
IF OBJECT_ID(''tempdb..#tempTable.Column'') IS NOT NULL
But its returning me a null every time. Is there any other way to check if column exists in temporary table.
Is It Possible To Check If A Local Temporary Table Exists ?
Mar 10, 2008It is possible for global temporary tables, but for local, it is said that the names(in the tempdb) change each time the table is created, so i am not sure if there is a way to check it.
Thanks
IF NOT EXISTS (... - EXISTS TABLE : Nested Iteration. Table Scan.Forward Scan.
Sep 20, 2006Hi,
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.
What Is The Difference Between: A Table Create Using Table Variable And Using # Temporary Table In Stored Procedure
Aug 29, 2007which is more efficient...which takes less memory...how is the memory allocation done for both the types.
View 1 Replies View RelatedPossible To Have Temporary Rows In A Non-temporary Table? Lifespan On Rows..
Mar 14, 2004I have a table that includes the html-output of different parts of my pages. This table grows very big very fast, and rows older than 24 hours are useless.
My question is if it is possible to have temporary rows, whose are automatically deleted after these 24 hours? And then how to accomplish that?
Table Names In Stored Procedures As String Variables And Temporary Table Question
Apr 10, 2008How do I use table names stored in variables in stored procedures?
Code Snippetif (select count(*) from @tablename) = 0 or (select count(*) from @tablename) = 1000000
I receive the error 'must declare table variable '@tablename''
I've looked into table variables and they are not what I would require to accomplish what is needed.
After browsing through the forums I believe I need to use dynamic sql particuarly involving sp_executesql. However, I am pretty new at sql and do not really understand how to use this and receive an output parameter from it(msdn kind of confuses me too). I am tryin got receive an integer count of the records from a certain table which can change to anything depending on what the user requires.
Code Snippet
if exists(Select * from sysobjects where name = @temptablename)
drop table @temptablename
It does not like the 'drop table @temptablename' part here. This probably wouldn't be an issue if I could get temporary tables to work, however when I use temporary tables i get invalid object '#temptable'.
Heres what the stored procedure does.
I duplicate a table that is going to be modified by using 'select into temptable'
I add the records required using 'Insert into temptable(Columns) Select(Columns)f rom TableA'
then I truncate the original table that is being modified and insert the temporary table into the original.
Heres the actual SQL query that produces the temporary table error.
Code Snippet
Select * into #temptableabcd from TableA
Insert into #temptableabcd(ColumnA, ColumnB,Field_01, Field_02)
SELECT ColumnA, ColumnB, Sum(ABC_01) as 'Field_01', Sum(ABC_02) as 'Field_02',
FROM TableB
where ColumnB = 003860
Group By ColumnA, ColumnB
TRUNCATE TABLE TableA
Insert into TableA(ColumnA, ColumnB,Field_01, Field_02)
Select ColumnA, ColumnB, Sum(Field_01) as 'Field_01', Sum('Field_02) as 'Field_02',
From #temptableabcd
Group by ColumnA, ColumnB
The above coding produces
Msg 208, Level 16, State 0, Line 1
Invalid object name '#temptableabcd'.
Why does this seem to work when I use an actual table? With an actual table the SQL runs smoothly, however that creates the table names as a variable problem from above. Is there certain limitation with temporary tables in stored procedures? How would I get the temporary table to work in this case if possible?
Thanks for the help.
Creating A Common Table Expression--temporary Table--using TSQL???
Jul 23, 2005Using SQL against a DB2 table the 'with' key word is used todynamically create a temporary table with an SQL statement that isretained for the duration of that SQL statement.What is the equivalent to the SQL 'with' using TSQL? If there is notone, what is the TSQL solution to creating a temporary table that isassociated with an SQL statement? Examples would be appreciated.Thank you!!
View 11 Replies View RelatedIs It Possible To Insert Data Into A Table From A Temporary Table That Is Inner Join?
Mar 10, 2008Is it possible to insert data into a table from a temporary table that is inner join?
Can anyone share an example of a stored procedure that can do this?
Thanks,
xyz789
Difference In Creating Temporary Table By #table And ##table
Nov 29, 2006Banti writes "IF i create temporary table by using #table and ##table then what is the difference. i found no difference.
pls reply.
first:
create table ##temp
(
name varchar(25),
roll int
)
insert into ##temp values('banti',1)
select * from ##temp
second:
create table #temp
(
name varchar(25),
roll int
)
insert into #temp values('banti',1)
select * from #temp
both works fine , then what is the difference
waiting for ur reply
Banti"
Temporary Table Vs. Table Valued Function
Jun 6, 2006I need to return a table of values calculated from other tables. I have about 10 reports which will use approx. 6 different table structures.
Would it be better performance wise to create a physical table in the database to update while calculating using an identity field to id the stored procedure call, return the data and delete the records. For Example:
StrVal1,Strval2,StrVal4,IntVal1,IntVal2,FloatVal1...
Or using a table-valued function to return a temp table as the result.
I just dont know which overhead is worst, creating a table per function call, or using a defined table then deleting the result set per sp call.
Temporary Table
Feb 1, 2004Hi
I am using SQL 2000 I have the following code. When saving it, I am getting an error:
There is already an object named '##tbl' in the database
This is although #tbl is dropped.
Is threrea way to avoid this error? the only work around I found was to create a string with the SQL command and call EXEC, but I don't like this solution as it prevents early compilation of the procedure.
declare @x int
set @x=1
IF @x=0
begin
create table #tbl (
abc int
)
drop table #tbl
end
IF @x=1
begin
create table #tbl (
abc int
)
drop table #tbl
end
Than you.
Temporary Table
Nov 8, 2005Hi
I have to create a temporary table for generating a report in VB.
Pls help how to check the temporary table name in database.
I want if exits than drop and create a new one.
thanks
asm
Temporary Table
Apr 11, 2006I have the following fields in table A:
GL_ID|GL_Name_VC| Amount |Period_TI|Year_SI|
===================================================
1000| Sales | -20,000.00 | 01 | 2005
===================================================
1000| Sales | -10,000.00 | 02 | 2005
===================================================
1001| Cost | 5,000.00 | 01 | 2005
===================================================
1001| Cost | 5,000.00 | 02 | 2005
the fields above have the following datatype:
Fields | Datatype
===================================
GL_ID | Integer
GL_Name_VC | Variable Character
Amount | Integer
Period_TI | TinyInteger
Year_SI | SmallInteger
The above database is running on Microsoft SQL Server 2000 and i would like to query
for a report that looks something as below:
Description | Period 01 | Period 02 | Year to Date
=========================================================
Sales | 20,000.00 | 10,000.00 | 30,000.00
Total Sales | 20,000.00 | 10,000.00 | 30,000.00
Cost | 5,000.00 | 5,000.00 | 10,000.00
Total Cost | 5,000.00 | 5,000.00 | 10,000.00
=========================================================
Profit | 15,000.00 | 5,000.00 | 20,000.00
The above report would list 4 columns, with the last column being a calculated field as a sum of
Period01 + Period02 Amount, sorted by GL_ID and group under a summation row called
Total Sales & Total Cost.There would be a net amount appearing as Profit (Total Sales-Total Cost).
Guys, hope someone out there can help me with the sql command for the above report?
Temporary Table
Jun 20, 2007How would someone set up a temporary table from a database in order to then run a query against it to get more accurate data??
View 11 Replies View RelatedTemporary Table
Jul 29, 2007Hi,
i have:
[first table]
user_id
user_name
user_password
[second table]
set
item
order
Since the second table is somehow only temporary table (having at the front ajax script), i need the third table to store user's ID and all the info from second table.
What would be the easiest way to do it, since the first table contains only one row per user and the second one 40 rows per user.
thank you for your thought!
Temporary Table
Nov 27, 2007Hi,
my code looks like this
Declare @Temp Table(id_customer int, id_product varchar(10))
Insert Into @Temp(id_customer, id_product) Values(12, 'ABC104')
Insert Into @Temp(id_customer, id_product) Values(12, 'ABC143')
Insert Into @Temp(id_customer, id_product) Values(12, 'ABC103')
Insert Into @Temp(id_customer, id_product) Values(13, 'ABC102')
Insert Into @Temp(id_customer, id_product) Values(14, 'ABC101')
Insert Into @Temp(id_customer, id_product) Values(15, 'AABC10')
Insert Into @Temp(id_customer, id_product) Values(15, 'AABC11')
select * from @Temp
Declare @results VarChar(100)
Select @results = IsNull(@results + '; ', '') + IsNull(id_product, '')
From @Temp
where id_customer = 12
Select @results as all_products
and when i run "Select @results as all_products" what shall i do to get id_customer along? if i do "select id_customer, @results as all_products" I get error in return :(
thank you
Temporary Table
Feb 12, 2007hi!
i used some temporary table in store procedure (sqlserver 2005)
our team have report software calisto .
the calisto use crystal and reports which use
this store procedure .
because of that,
we have list of many temporary table with the same name
#dbo.sug_name ... ,#dbo.sug_name ... ,......
in the system database .
what could be the reason for that and how can we drop it ?
Msg 3701, Level 11, State 5, Line 2
Cannot drop the table '#sug_name', because it does not exist or you do not have permission."
Temporary Table Name
Jun 27, 2006Hi all
Is it possible to name a table when a script runs with the date ie
select name, address
into test (date)
from company
where the (date) is will be todays date
Thanks
Richard
Temporary Table Pb
May 9, 2007Hi
I call some SQL server procedures via OLEDB under Visual C++.
[ Commands like " EXEC myProc 'param1', 'param2' " ]
My connection string is Provider=SQLOLEDB;Data Source=.SQLEXPRESS;Integrated Security=SSPI;Initial File Name=C:devsrcindb.mdf
I encounter a pb when there is a 'SELECT (...) INTO #table' into my db procedure.
Something like:
ALTER PROCEDURE myProc
AS
SELECT 1 as 'return1', 2 as 'return2' into #table
SELECT * FROM #table
RETURN
works of course very well when I call it from Visual or Server Management Studio Express
but doesn't return any recordset when I call it from OLEDB.
2nd thing:
SELECT 1 as 'return1', 2 as 'return2' into table
SELECT * from table
-> table is created [I can see it in the db], but no selection is returned to my OLEDB caller.
Is it a security pb ?
Creation Of Temporary Table
Jan 24, 2008Hi All,
DECLARE @MyTableVar table( EmpID nvarchar(10) )
select login_id from cpm into @MyTableVar
Above syntax is not working....
Actually i want to table variable and store the result returned by stored procedure.
How to do that...
Thanks and reagards
A
Cannot Drop Temporary Table
Apr 30, 2008I'm trying to drop a temporary table. I keep getting this error:
Cannot drop the table '#temp_table', because it does not exist in the system catalog.
I tried the following but it did not work, so help would be appreciated.
if object_id('tempdb..#temp_table') is not nulldrop table #temp_table
Substitute For Temporary Table?
Jun 2, 2006Hello once again,
My last question concerns (temporary) tables. In a web form (VWD Express, Asp,Net 2.0, VB, .mdf db, Ajax) I have two gridviews. One gets its data from textboxes and dropdownlists as the user clicks an ok button. This data is then sent to a "junk" table in the db. The other gridview retrieves this data "automatically" and displays the data, filtered and grouped by some SQL statements. When the user finally clicks an Insert record button, the data from this second gridview gets inserted in another table in the db and the data from the first "junk" table is disposed.
I guess it shouldn't be necessary to insert, retrieve, and delete the data in and from the "junk" table. Even though it does work like a charm, I guess it would be better if I could do it wit hsome kind of "temporary table", array or the like so that the db wouldn't need to be updated to this extent. Still, I really like the simplicity of using gridviews and the rest of the page's code is complex enough, so I don't really want to substitute this behaviour for tons of hand-written, hard-to-follow, and hard-to-integrate code.
What are my options? Any help would be greatly appreciated.
Pettrer
How To Find A Temporary Table Using T-SQL
Aug 16, 2000Im trying to find a table and Drop in T-SQL
using this script.
/* Start */
Use Students
IF exists (Select * from information_schema.tables
where table_name ='##Exams_result)
drop table ##Exams_result
go
Create table ##Exams_result..............etc
/* end */
But I cant find my temporary table on this way...
Any sugestion?
Luiz Lucasi
lc@culting.com
Rio de Janeiro - Brazil
One Big Query Or Use Temporary Table?
Jan 11, 2001Hi,
Can any of you tell me what is right?
When we are writing a big query that against to 25+ tables (it has lots of lookup and lots of business logic in it so it will have lots of left outer joins, right outer joins, inner join, UNION, group by, and lots of SQL server functions) should we put everything in one select statement? Or we should create lots of temporary tables and then join them together?
My friend told me that I should use one statement instead of lots of temp tables in order to reduce the physical read. He does not like the temp table idea since there will be lots of user running the query in the same time and it will use lots of space. But I don’t believe that is true. (I believe when you put everything in one statement, SQL server still needs to create the result set in the temp db.) There will be lots of join going on and it could hurt the performance.
I believe that
1.We should create the temp tables and then join the temp tables together later to get the final results. we can create the index on the temp table at runtime.
2.If the order of columns in the index does not match to our where clause, then the index is useless.
3.If there is a SQL function in the where clause, the index is useless. (for example, where Datepart(yy, orderdate)=’1998’)
4.If there is a NOT in the where clause, the index is useless.
What do you think? Are you agree with me?
Following is the query. Is there any better way to do this?
Select d.Description as Division,
c.Description as Region,
b.StateCode as State,
b.FacilityNumber,
b.Name as FacilityName,
(Case When a.ExitDate Is Not Null Then Convert(Varchar(10),a.ExitDate,101)
Else 'Pending' End) as PriorStdSurveyExit,
(Case When a.ExitDate Is Not Null And a.IJValid > 0
Then Convert(Varchar(10),a.ExitDate+89,101)
Else '' End) as ThreeMonthWindow,
(Case When a.ExitDate Is Not Null Then Convert(Varchar(10),a.ExitDate+179,101)
When a.IJValid > 0 Then Convert(Varchar(10),a.ExitDate+179,101)
Else 'Pending' End) as SixMonthWindow,
(Case When a.ExitDate Is Not Null Then Convert(Varchar(10),a.ExitDate+450,101)
When a.IJValid > 0 Then Convert(Varchar(10),a.ExitDate+450,101)
Else 'Pending' End) as FifteenMonthWindow
From (
Select a.FacilityNumber, a.ExitDate, IsNull(b.FacilityNumber,0) as IJValid
From
(
Select b.FacilityNumber, Max(a.ExitDate) as ExitDate
From Survey a
Inner Join Facility b on (a.FacilityID = b.FacilityID)
Inner Join SurveyFormatCode c on (a.SurveyFormatCodeID = c.SurveyFormatCodeID)
Inner Join SurveyTypeCode d on (a.SurveyTypeCodeID = d.SurveyTypeCodeID)
Where a.VerbalResultDate is Not Null
And c.Description Like 'Standard%'
And d.Description Like 'LTC%'
And a.ExitDate <= @InDate
Group By b.FacilityNumber
) a Left Join
(
Select Distinct b.FacilityNumber
From Survey a
Inner Join Facility b on (a.FacilityID = b.FacilityID)
Inner Join SurveyFormatCode c on (a.SurveyFormatCodeID = c.SurveyFormatCodeID)
Inner Join SurveyTypeCode d on (a.SurveyTypeCodeID = d.SurveyTypeCodeID)
Inner Join ComplianceRatingCode e on (a.ComplianceRatingCodeID = e.ComplianceRatingCodeID)
Where a.VerbalResultDate is Not Null
And (c.Description Like 'Standard%'
And d.Description Like 'LTC%')
And e.Description Like 'Category 4%'
And a.ExitDate <= @InDate
Union
Select Distinct b.FacilityNumber
From (
Select b.FacilityNumber, Max(a.ExitDate) as ExitDate
From SurveyCitation e
Inner Join Survey a on (a.SurveyID = e.SurveyID)
Inner Join Facility b on (a.FacilityID = b.FacilityID)
Inner Join SurveyFormatCode c on (a.SurveyFormatCodeID = c.SurveyFormatCodeID)
Inner Join SurveyTypeCode d on (a.SurveyTypeCodeID = d.SurveyTypeCodeID)
Inner Join Citation f on (e.CitationID = f.CitationID)
Inner Join SSLetterCode g on (f.SSLetterCodeID = g.SSLetterCodeID)
Where a.VerbalResultDate is Not Null
And d.Description Like 'LTC%'
And a.ExitDate <= @InDate
And g.SSLetterCode in ('J','K','L')
Group By b.FacilityNumber
) a
Right Join
(
Select b.FacilityNumber, Max(a.ExitDate) as ExitDate
From SurveyCitation e
Inner Join Survey a on (a.SurveyID = e.SurveyID)
Inner Join Facility b on (a.FacilityID = b.FacilityID)
Inner Join SurveyFormatCode c on (a.SurveyFormatCodeID = c.SurveyFormatCodeID)
Inner Join SurveyTypeCode d on (a.SurveyTypeCodeID = d.SurveyTypeCodeID)
Where a.VerbalResultDate is Not Null
And c.Description Like 'Standard%'
And d.Description Like 'LTC%'
And a.ExitDate <= @InDate
Group By b.FacilityNumber
) b on (a.FacilityNumber = b.FacilityNumber)
Where a.ExitDate >= b.ExitDate
) b on (a.FacilityNumber = b.FacilityNumber)
) a Right Join Facility b on (a.FacilityNumber = b.FacilityNumber)
Left Join Region c on (b.RegionID = c.RegionID)
Left Join Division d on (c.DivisionID = d.DivisionID)
Order By d.Description, c.Description, b.FacilityNumber
Why Bcp Cannot Detect Temporary Table ?
Jul 22, 2006hi, good day, i facing a problem
Code:
CREATE PROCEDURE [SP_TEST]
AS
SELECT *
INTO #TMP_CUSTOMER
FROM O_CUSTOMER
-------------------------------------------------------------------------
SELECT DISTINCT
COUNT(CUST_CD)
FROM
#TMP_CUSTOMER
GO
when i run in query analyzer , using "exec SP_TEST" , it work and display result
but when run
Exec Master..xp_CmdShell 'bcp "exec mydbtest..SP_TEST " queryout C:TEST.TXT -c -Slocalhost -Usa -Ppassword'
it give error "SQLState = S0002, NativeError = 208"
and show
Error = [Microsoft][ODBC SQL Server Driver][SQL Server]Invalid object name '#TMP_CUSTOMER'.
thanks for guidance
Drop #Temporary Table
Jul 21, 2004I created the #Temporary table in MS SQL. Now i want to drop this #Temporary table, but i want to check first before i drop the this table. How to check the Temporary table exist or not in MS SQL?
View 4 Replies View RelatedTemporary Table Overhead
Feb 10, 2005Hope somebody can give me some advice .
We are having some issues with temporary tables (with # prefixes) within Stored Procedures.
When running a profile trace on them, the stored proc quite happily creates the temp # table (in fact several of them) but whenever it hits the first statement inserting data into one of them (and it doesn't matter which one), there is a 5-6 second delay.
By commenting out one and moving to the next piece of code, the same thing happens.
Following which, the rest of the Stored Prco runs fine and subsequent inserts into the # temp tables also run efficiently.
Is the stored proc getting recompiled perhaps ?
Any advice woul;d be appreciated.
we are running SQL Server 7.0, dont know whether that helps ?
Using Temporary Table In A View
Jul 23, 2013I am trying to create a view using to three queries below and I get the error message Views or functions are not allowed on temporary tables. Is there a way to do that or is there a way to combine the three queries below so I don't have to use a temp table so I create a view?
--Query 1
SELECT * INTO #MOVEMENTS
FROM [GW_DW].[dbo].[DimStatusHistory] d
WHERE TransferFromToProgram<>''
AND d.Status=12
;
--Query 2
SELECT DISTINCT
[Code] ....
Timestamp To A Temporary Table?
Sep 11, 2013how you code to get a timestamps to a temp table.ex. select date from clock where name='name' and nbr='10';I want this data to be in my temp date table..
View 1 Replies View RelatedGlobal Temporary Table
Dec 23, 2006Hi,
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