Excel - SQL Query - ## Temp Table

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I am trying to create a global temp table using the results from one query, which can then be selected as a table and manipulated further several times without having to reprocess the data over and over.

This works perfectly in SQL management studio, but when I try to add the table through an Excel query, the table can be referenced at that time, but it is not created in Temporary Tables in the tempdb database.

I have broken it down into a simple example.

If I run this in SQL management studio, the result of 1 is returned as expected, and the table ##testtable1 is created in Temporary Tables

set nocount on;

select 1 as 'Val1', 2 as 'Val2' into ##testtable1
select Val1 from ##testtable1

I can then run another select on this table, even in a different session, as you'd expect. E.g.

Select Val2 from ##testtable1

If I don't drop ##testtable1, running the below in a query in Excel returns the result of 2 as you'd expect.

Select Val2 from ##testtable1

However, if I run the same Select... into ##testtable1 query directly in Excel, that correctly returns the result of 1, but the temptable is not created.

If I then try to run

Select Val2 from ##testtable1

As a separate query, it errors saying "Invalid object name '##testtable1'

The table is not listed within Temporary Tables in SQL management studio.

It is as if it is performing a drop on the table after the query has finished executing, even though I am not calling a drop.

How can I resolve this?


Read up on global temp tables(GTT). They persist as long as there is a session referencing it. In SSMS, if you close the session that created the GTT prior to using it in another session, the GTT would be discarded. This is what is happening in Excel. Excel creates a connection, executes and disconnects. Since there are no sessions using the GTT when Excel disconnects, the GTT is discarded.

I would highly recommend you create a normal table rather than use a GTT. Because of their temporary nature and dependence on an active session, you may get inconsistent results when using a GTT. If you create a normal table instead, you can be certain it will still exist when you try to use it later.

The code to create/clean the table is pretty simple.

IF OBJECT_ID('db.schema.tablename') IS NOT NULL
    TRUNCATE TABLE [tablename]
ELSE
    CREATE [tablename]...
GO

You can change the truncate to a delete to clean up a specific set of data and place it at the start of each one of your queries.

Using SQL & Temp Tables in Excel Pivot Tables connected to SQL , Using SQL & Temp Tables in Excel Pivot Tables connected to SQL Server database Basically I'm trying to connect some excel pivots to a database to run some SQL queries which use temp tables. select * from ##Test I have following excel sheet and I want to import all data into temp SQL table. SQL Server OpenRowSet command can do data transformation easily. You can do that with following simple query in SQL. · I created simple temp table in SQL and import all rows from excel sheet into temp table. INSERT INTO [dbo]. [#tblImport]


is it possible you could use a view? assuming that you are connecting to 5 DBs on the same server can you union the data together in a view:

    CREATE VIEW [dbo].[testView]
    AS
    SELECT        *
    FROM            database1.dbo.myTable
    UNION
    SELECT        *
    FROM            database2.dbo.myTable

Then in excel:

Data> New Query > From Database > FromSQL Server Database

enter DB server

Select the view from the appropriate DB - done :)

OR call the view however you are doing it (e.g. vba etc.)

equally you could use a stored procedure and call that from VBA .. basically anything that moves more of the complexity to the server side to make your life easier :D

Runnings SQL Queries from excel, Hi, I am running SQL queries from excel and populate the sheets. After i create temp table and run another query on that temp table (#temp1) it is creating the temp table as a global temp table - call it ##name rather than Jack SQL Development, SQL Server, T-SQL A temporary table, or temp table, is a user created table that exists for the sole purpose of storing a subset of data from one or more physical tables. Temp tables can be used to store large amounts of data that would otherwise require numerous queries to repeatedly filter that data.


You can absolutely do this. Notice how I'm building a temp table from SQL called 'TmpSql' ...this could be any query you want. Then I set it to recordset 1. Then I create another recordset 2, that goes and gets the temp table data.

Imagine if you were looping on the first cn.Execute where TmpSql is changing.. This allows you to build a Temporary table coming from many sources or changing variables. This is a powerful solution.

cn.open "Provider= ..."

sql = "Select t.* Into #TTable From (" & TmpSql & ") t "
Set rs1 = cn.Execute(sql)

GetTmp = "Select * From #TTable"
rs2.Open GetTmp, cn, adOpenDynamic, adLockBatchOptimistic
If Not rs2.EOF Then Call Sheets("Data").Range("A2").CopyFromRecordset(rs2)

rs2.Close
rs1.Close

cn.Close

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Import Excel Data into SQL Temp table, I created simple temp table in SQL and import all rows from excel sheet into temp table. INSERT INTO [dbo].[#tblImport]. SELECT Code,  Local Temp Table in SQL Server The name of the SQL Local temporary table starts with the hash (“#”) symbol and stored in the tempdb. SQL Local temporary tables are available only in the current connection. If the user disconnects from current instances or closes the query window, then SQL Local temporary table deletes automatically.


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https://social.msdn.microsoft.com/Forums/en-US/468, Posts about TempTable written by DevJef. One of the most basic tasks you can create in SSIS, is importing an Excel sheet. Most of the time this works like a  There are two methods of creating temporary tables. Method 1. The simplest way of creating a temporary table is by using an INTO statement within a SELECT query. Let’s create a temporary table that contains the name, age, and gender of all the male student records from the student table.