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.
INSERTwithVALUES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。
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