作为转换的一部分，优化器还决定正确的表联接顺序，重写表达式，并从SQL中消除任何冗余。
As part of the transformation, the optimizer also determines the correct table join order, rewrites expressions, and eliminates any redundancy from the SQL.
任何时候眼神正确的表达和眼睛的正确摆放是组成伟大姿势不可缺少的一部分。
The right expression and placement of the eyes will make up for a less than great pose any day.
本系列的第6部分讨论了表达式中的类型不匹配，并建议使用类型转换函数来保证计算结果得到正确的类型。
Part 6 of this series discussed type mismatches in expressions and suggested that casting functions be used to guarantee that a calculated value will come through with the proper type.
本系列的第6部分讨论了表达式中的类型不匹配，并建议使用类型转换函数来保证计算结果得到正确的类型。
Part 6 of this series discussed type mismatches in expressions and suggested that casting functions be used to guarantee that a calculated value will come through with the proper type.
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