經安全檢測,此網站為安全網站,請放心前往原始網址!

MySQL Subqueries Tutorial | eHow - eHow | How to - Discover the expert in you!

The Syntax The basic syntax for a subquery is this: SELECT * FROM table WHERE columna = (SELECT columnb FROM table2) GO Subqueries must be a SELECT, INSERT, UPDATE, DELETE, SET or DO statement, and you cannot modify a table and select ...

www.ehow.com

網址安全性掃描由 google 提供