how to select a temp table in database when debugging? [duplicate]

StackOverflow https://stackoverflow.com/questions/20539514

  •  31-08-2022
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Question

I create a temp table #temp1 in code, then insert the table in code. I want to select the table in sqlserver when debugging the code. but It can’t . sql server Prompt no talbe called the name . even in database tempdb. how to select a temp table in database when debugging?

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Solution 

insert into ##temp1 select * from TableName
select * from ##temp1

Explanation:

We need to put "##" with the name of Global temporary tables. Below is the syntax for creating a Global Temporary Table: 

CREATE TABLE ##NewGlobalTempTable(
UserID int,
UserName varchar(50), 
UserAddress varchar(150))

The above script will create a temporary table in tempdb database. We can insert or delete records in the temporary table similar to a general table like:

insert into ##NewGlobalTempTable values ( 1, 'Abhijit','India');

Now select records from that table:

select * from ##NewGlobalTempTable

Global temporary tables are visible to all SQL Server connections. When you create one of these, all the users can see it.

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