In SQL Server, a temporary table with the same name could not be re-created in the same batch, even if you drop and re-create. The following script clarifies the concept. Try by self
CREATE PROCEDURE TempTabTest
AS
BEGIN
-- first set of data
if object_id ( 'tempdb..#temptab') is not null drop table #temptab;
create table #temptab( n1 int, n2 int);
-- some code
-- second set of data
if object_id ('tempdb..#temptab') is not null drop table #temptab;
create table #temptab( n1 int, n2 int);
-- some code
END
You will get an error message "There is already an object named '#temptab' in the database.". If you are using a permanent table instead of temporary table, it would get compiled.
This is a feature by design.![]()
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