In SQL-server why user defined functions allow table variables

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In SQL-server why functions allow table variables and in the case of stored procedure it allows both table varibles&temporary tables may I know the reason why...

What I have tried:

I can't understand why because, both are temporary results sets but it allows table variables

Posted 14-Aug-18 5:17am

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Tomas Takac 15-Aug-18 11:02am

Not sure if I recall this correctly, but UDF must not change database and temp tables are real tables in tempdb while table variables are just in memory.

CHill60 15-Aug-18 14:00pm

That would be the correct answer - a virtual 5!

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