How to declare a variable in MySQL for a normal query? -


how can declare variable normal query in mysql?

e.g.,

declare @myvar date; set @myvar = something;  select * sometable somecolumn = @myvar;

i tried , syntax seems wrong...what missing?

you can declare session variable in way : 

set @myvarname := 'value';

or local variable in way : 

declare my_variable varchar(30)

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