... 语句分类 statement classification 语句分组 statement grouping 语句关系 statement relationship ...
基于8个网页-相关网页
The INSERT with VALUES is a special case because it would not benefit from executing through SQE because the statement lacks selection criteria, grouping or ordering.
INSERT with VALUES是一个特例,因为它无法从通过SQE执行中受益,因为该语句没有选择标准、分组或排序。
Multiple slices of data can be returned in a single query by using grouping sets or super-groups (such as ROLLUP) in the GROUP-BY clause of the SQL statement.
通过在sql语句的GROUP BY子句中使用多个分组集或超级组(比如rollup),可以在一个查询中返回数据的多个切片。
应用推荐