更多信息,请参看SQL Server Book Online 嵌套查询(Nested Queries) 在嵌套形式中,某些Access查询是在别的查询的顶层上创建的。
基于36个网页-相关网页
nested set of queries 巢套检索集
Therefore, XGrind cannot perform any join, aggregation, nested queries, or construct operations.
因此,XGrind不能执行任何连接、聚合、嵌套查询或构建操作。
As you might expect, all nested queries and updates must use the same datasource as the transaction itself.
您可能希望所有嵌套的查询和更新必须使用与事务处理相同的datasource。
The structure of SQL-like nested queries is examined. It is shown that any SQL- like nested query can be decomposed into four basic nested types.
本文分析了SQL类查询语句的基本结构,指出任何一个嵌套结构的SQL类语句都可以由四种基本嵌套类型组成。
应用推荐