Procedural logic, such as loops and if/else switches.
过程式逻辑,比如循环和 if/else 结构。
Such functions are useful for performing complex or procedural logic.
执行复杂或程序逻辑时,这类函式便非常有用。
The usage of SQL Table Functions allows you to push procedural logic into the FROM clause of a query.
sql表函数的使用使您可以将过程性逻辑放入到查询的from子句中。
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