官方网址:点击打开链接 Oracle Regular Expressions Version 11.1 General Information Anchoring Characters Character Class Description ^ Anchor the expression to the start of a line $ Anchor the expression to the
本篇文章的目的是通过建一个存储过程来返回一个结果集合,并通过前台调用把结果集展示出来 --建立存储过程,参数类型为OUT SYS_REFCURSOR create or replace procedure test_ref_cursor(v_cursor out sys_refcursor) as begin open v_cursor for select * from emp; end; -
动态追加日累计、月累计: 测试表tb_test_over 中有SCRQ、RSJ两列,存储每日的日数据; select * from tb_test_over ; 使用OVER函数动态追加列,根据SCRQ对RSJ累计求和; select scrq,rsj, sum(rsj) over(order by scrq) as nsj from tb_test_over order by scrq; 使用O