A query-expression is one or more table-expressions. Multiple table expressions are linked by set operators. The following figure illustrates the relationship between table-expressions and ...

A query-expression is one or more table-expressions. Multiple table expressions are linked by set operators. The following figure illustrates the relationship between table-expressions and ...

OK, I’ll admit it. I’m not a DBA, but that doesn’t mean I haven’t overseen databases and their performance. I was (and probably still am) the guy who installed a Microsoft SQL database by hitting Next ...