使用SQL操作XML简单示例
declare @xml xml
set @xml = '<root/>'
select @xml
declare @value varchar(10)
set @value = 'val1'
set @xml.modify('insert <item value="{sql:variable("@value")}" /> into (/root)[1]')
select @xml
set @value = 'val2'
set @xml.modify('replace value of (/root/item/@value)[1] with "val2"')
select @xml
set @value = 'val3'
set @xml.modify('replace value of (/root/item/@value)[1] with sql:variable("@value")')
select @xml
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set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
create procedure [dbo].[MachiningPayedGetListByCondition]
@CustomerName varchar(50),
@CustomerPhone varchar(50),
@PactNumber varchar(50),
@Ispay bit
as
begin
set nocount on;
SELECT
dp.ID as 'MachiningPayed/@ID',
&nbs ......
SOURCE: CLICK HERE
本文讲述SQL Server、Oracle、MySQL查出值为NULL的替换。
在SQL Server Oracle MySQL当数据库中查出某值为NULL怎么办?
1、MSSQL: ISNULL()
语法
ISNULL ( check_expression , replacement_value )
参数
check_expression
将被检查是否为 NULL的表达式。check_expression 可以是任何类型的。
re ......
多字段模糊查询sql like %% 优化与区别
http://anforen.5d6d.com/
SELECT *
from [KLims].[dbo].[Task]
where ClientCompany like '%a%' or [Address] like '%a%'
SELECT *
from [KLims].[dbo].[Task]
where ClientCompany + [Address] like '%a%'
但当其中一字段 ......
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMap PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN" "http://ibatis.apache.org/dtd/sql-map-2.dtd">
<sqlMap namespace="fw_student">
<resultMap class="com.sias.Student" id="student">
<result column="name" property="na ......
