sql陽曆轉陰曆
USE [rossic]
GO
/****** Object: StoredProcedure [dbo].[fn_GetLunar] Script Date: 02/23/2010 15:46:19 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE proc [dbo].[fn_GetLunar]
-- RETURNS datetime
@solarDay DATETIME ,
@OUTPUTDATE DATETIME output
AS
BEGIN
DECLARE @solData int
DECLARE @offset int
DECLARE @iLunar int
DECLARE @i INT
DECLARE @j INT
DECLARE @yDays int
DECLARE @mDays int
DECLARE @mLeap int
DECLARE @mLeapNum int
DECLARE @bLeap smallint
DECLARE &nbs
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SQL code动态sql语句基本语法
1 :普通SQL语句可以用Exec执行
eg: Select * from tableName
Exec('select * from tableName')
Exec sp_executesql N 'select * from tableName'
-- 请注意字符串前一定要加N
2:字段名，表名，数据库名之类作为变量时，必须用动态SQL
eg: declare @fname varchar(20)
......
declare @p int
declare @p1 int
declare @count int
set @p=0
set @p1=10
set @count=2
if(@count<>0 or @count<>1)
set @p=@p1*@count-10
SELECT [t1].[userid], [t1].[username], [t1].[userorder]
from (
SELECT ROW_NUMBER() OVER (ORDER BY [t0].[userorder]) AS [ROW_NU ......
1.字符串函数
长度与分析用
datalength(Char_expr) 返回字符串包含字符数,但不包含后面的空格
substring(expression,start,length) 不多说了,取子串
right(char_expr,int_expr) 返回字符串右边int_expr个字符
字符操作类
upper(char_expr) 转为大写
lower(char_expr) 转为小写
space(int_expr) 生成int_expr� ......
一、设置初始化参数 job_queue_processes
sql> alter system set job_queue_processes=n;（n>0）
job_queue_processes最大值为1000
查看job queue 后台进程
sql>select name,description from v$bgprocess;
二，dbms_job package 用法介绍
包含以下子过程：
......
