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columns vs variables
hi, i want to know what will yeild better performance: l have a calculated column in my database - item's discount. now i have few calculated columns that use the result from the column "item's di...
In your case, a calculated column might be more appropriate. You may also take a look at https://www.sqlbi.com/topics/optimization/.
In your case, a calculated column might be more appropriate. You may also take a look at https://www.sqlbi.com/topics/optimization/.