第2步—准备和绑定expcat . sqc文件,它会为主查询创建包。
Step 2 - Prepare and bind the expcat.sqc file, which will create the packages for the main query.
以上查询包含一个相关子查询,因为主查询和子查询依靠于同一个表,即employees表。
The query above contains a correlated subquery, since the main query and the subquery are relaying on the same table, the employees table.
浏览类完成以再现为主的功能,如查询、浏览、统计等。
The browsing class completes reappears the primarily function, like inquiry, browsing, statistics and so on.
应用推荐