文件名称:pl-sql
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PL-SQL用光标查询多条记录,能够以一次一条记录的方式处理多行查询的结果.为每条DML语句创建隐式光标,而显式光标是由用户创建的,以便处理返回多条记录的查询。而且,通过消除反复地分析代码,光标提高了代码的处理速度。
-PL-SQL cursor inquiries with a number of records, to a record in a manner more to find out the results. DML statements for each of the creation implicit cursor. Explicit and the cursor is created by the users to deal with the return of the record number of inquiries. Moreover, by eliminating repeated analysis code, the code cursor to improve the processing speed.
-PL-SQL cursor inquiries with a number of records, to a record in a manner more to find out the results. DML statements for each of the creation implicit cursor. Explicit and the cursor is created by the users to deal with the return of the record number of inquiries. Moreover, by eliminating repeated analysis code, the code cursor to improve the processing speed.
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