SQL替换指定列字符串
-- ================================================
-- Template generated from Template Explorer using:
-- Create Procedure (New Menu).SQL
--
-- Use the Specify Values for Template Parameters
-- command (Ctrl-Shift-M) to fill in the parameter
-- values below.
--
-- This block of comments will not be included in
-- the definition of the procedure.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: <Author,,Name>
-- Create date: <Create Date,,>
-- Description: <Description,,>
-- =============================================
CREATE PROCEDURE replaceStr
-- Add the parameters for the stored procedure here
@keywords varchar(max),@afterwords varchar(max)
AS
BEGIN
-- SET NOCOUNT ON added to prevent extra result sets from
-- interfering with SELECT statements.
SET NOCOUNT ON;
declare @word varchar(max);
declare @rowcount int;
declare @count int;
set @count = 1;
-- Insert statements for procedure here
begin try
begin tran replaceStr
select @rowcount = count(*) from Logfile;
while @count <= @rowcount
begin
select @word = lcontent from Logfile where lid = @count; --lcontent列名,Logfile表名,lid自增长主键
update Logfile set lcontent = replace(@word,@keywords,@afterwords) where lid = @count;
set @count = @count + 1;
end
commit tran
end try
begin catch
rollback tran
end catch
END
GO
相关文档:
如果我们的SQL Server要保证高可用性,那么可以采用故障转移群集。最简单的故障转移群集是两台服务器,一台做活动的服务器,另一台做备用服务器,这就是AP模式的Cluster。另外一个模式就是AA模式,也就是两台服务器都是运行SQL Server实例。
SQL Server不像Oracle一样有RAC,所以不可能说两台服务器同时运行同一个实例,想 ......
ORACLE数据库里表导入SQL Server数据库
1、在目的SQL Server数据库服务器上安装ORACLE Client软件或者ORACLE ODBC Driver.
在$ORACLE_HOME\network\admin\tnsnames.ora里配置ORACLE数据库的别名(service name)。
2、在WIN2000或者win200 ......
第一种:
public void deleteUser(String byemail) {
Session session = getSession();
Transaction transaction = null;
String hql = "delete from Register where email=?
";
try {
transaction = session.beginTransactio ......
一、使用参数化输入。存储过程里尽量避免语句拼接。
二、对于一些数据库,必须设置权限,甚至设置到字段。
三、始终通过测试类型、长度、格式和范围来验证用户输入。
四、过滤敏感字符。
Function ReplaceStr(Str)
Str=Trim(Str)
Str=Replace(Str,"'","'")
Str=Replace(Str,";",";")
Str=Rep ......