SQL Server中select语句的使用技巧

The Using Skill of Select Statements in SQL Server

本文主要以商品信息管理数据库为例,详细介绍了关系数据库管理系统中SQL查询语句—select的一些基本用法和使用技巧,主要包括了单表的基本查询、关键字辅助查询、统计查询以及多表的连接查询和嵌套查询。

This paper,mainly takes the database of commodity information management as an example,introduces some basic usage of SQL query select and the use skills in the database management system,including single table basic query,keywords assisted query,statistics query and connection query and nested query for multiple tables,that hopes to bring some help to readers.