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I want to declare a table variable and fill it with a select, without having to explicitly define its columns. Does T-SQL allow something like this:
DECLARE @people TABLE() SELECT * FROM Persons;
Hypothetically, the above statement would match column types identically, and fill the @people table variable at the same time. 🙂
You can’t do it with a table variable since a variable has to be declared before it can be used, but you could use a temp table instead.