create or replace procedure pro_page(table_name in varchar2,page in number,line in number,…
Procedure my_output(p_text in varchar2) is p_sum_length number := 0; p_length number := 20…
对于针对字符串位置的操作,第一个位置被标记为1。 1.ASCII(str) 返回字符串str的最左面字符的ASCII代码值。如果str是空字符串,返回0。如果str是NULL,返回…
DELETE t1 FROM table1 t1 INNER JOIN table2 t2 ON t1.ref_id=t2.id AND t2.id=12
db2 connect to dbname user username using passwd db2 update db cfg using MAXAPPLS number
DELETE FROM game_pg_getpoint USING getpoint WHERE (getpoint.fixflg = 1 OR game_pg_getpoint…
CREATE DATABASE ku1; CREATE TABLE person( id INT PRIMARY KEY, &n…
SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO CREATE TABLE [dbo].[CommentsTables]( [ID]…
SELECT * FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = 'db'
USE master go IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = Object_id(N'[dbo].[sp_cop…
mysql> mysql> delimiter $$ mysql> mysql> CREATE PROCEDURE myProc -> (p_firs…
根据汉字词组或者单个汉字,获取其对应的拼音首字母,比如: 你爱我吗?获取的是 N ,如果是非汉字字符则不做处理。 函数的代码 DELIMITER $$ USE `test`$$ D…