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sql查询所有存储过程内容 利用游标和临时表


Use 数据库
DECLARE @ProcName varchar(50)
Create Table #tmpName(Content varchar(2000))
Create Table #tmp(ProcName varchar(2000),Content1 varchar(8000))
--定义一个游标
DECLARE SearchProc CURSOR FOR
--查询数据库中存储过程的名称,尽量去除系统PROC,可以根据crdate时间字段来寻找非系统PROC
select name from sysobjects where type='P' and name not like 'dt_%'
OPEN SearchProc
FETCH NEXT from SearchProc
INTO @ProcName
WHILE @@FETCH_STATUS >=0
BEGIN
    Print @ProcName
    Insert Into #tmpName(Content) Exec sp_helptext @ProcName
    Insert Into #tmp(ProcName,Content1) select @ProcName,#tmpName.Content from #tmpName
    --填充完就清空一下临时表
    Truncate table #tmpName
    FETCH NEXT from SearchProc
    INTO @ProcName
END
CLOSE SearchProc
DEALLOCATE SearchProc
GO
select ProcName from #tmp where Content1 like '%查找内容%' group by ProcName
select ProcName,Content1 ......

解决 sql server 2005 express中sa不能登录

1.使用Management Studio Express,用“Windows身份验证”登录,选中SQL服务器名,右击鼠标选择属性,在服务器属性选项页面,选择“安全性”,将服务器身份验证由 “Windows身份验证”改为“SQL Server和Windows身份验证”,单击确定。
2.使用SQL Server 2005外围应用配置器,选择“服务和连接的外围应用配置器”,选SQL Express-->Database Engine-->服务,先停止,再启动,重启SQL Server服务器。
3.再回到Management Studio Express,选择“安全性”-->登录名-->sa,右击鼠标,在登录属性-sa页面,选择状态,将登录由“禁用”改为“启用”(此时可设置sa登录密码或取消登录密码,在常规选项中),单击确定。
......

实现多行合并一行的SQL [MSSQL2005]写法

--1. 创建表,添加测试数据
CREATE TABLE tb(id int, [value] varchar(10))
INSERT tb SELECT 1, 'aa'
UNION ALL SELECT 1, 'bb'
UNION ALL SELECT 2, 'aaa'
UNION ALL SELECT 2, 'bbb'
UNION ALL SELECT 2, 'ccc'
--SELECT * from tb
/**//*
id value
----------- ----------
1 aa
1 bb
2 aaa
2 bbb
2 ccc
(5 row(s) affected)
*/
--2 在SQL2000只能用自定义函数实现
----2.1 创建合并函数fn_strSum,根据id合并value值
GO
CREATE FUNCTION dbo.fn_strSum(@id int)
RETURNS varchar(8000)
AS
BEGIN
DECLARE @values varchar(8000)
SET @values = ''
SELECT @values = @values + ',' + value from tb WHERE id=@id
RETURN STUFF(@values, 1, 1, '')
END
GO
-- 调用函数
SELECT id, VALUE = dbo.fn_strSum(id) from tb GROUP BY id
DROP FUNCTION dbo.fn_strSum
----2.2 创建合并函数fn_strSum2,根据id合并value值
GO
CREATE FUNCTION dbo.fn_strSum2(@id int)
RETURNS varchar(8000)
AS
BEGIN
DECLARE @values varchar(8000)
SELECT @values = isnull(@values + ',', '') + value from t ......

实现多行合并一行的SQL [MSSQL2005]写法

--1. 创建表,添加测试数据
CREATE TABLE tb(id int, [value] varchar(10))
INSERT tb SELECT 1, 'aa'
UNION ALL SELECT 1, 'bb'
UNION ALL SELECT 2, 'aaa'
UNION ALL SELECT 2, 'bbb'
UNION ALL SELECT 2, 'ccc'
--SELECT * from tb
/**//*
id value
----------- ----------
1 aa
1 bb
2 aaa
2 bbb
2 ccc
(5 row(s) affected)
*/
--2 在SQL2000只能用自定义函数实现
----2.1 创建合并函数fn_strSum,根据id合并value值
GO
CREATE FUNCTION dbo.fn_strSum(@id int)
RETURNS varchar(8000)
AS
BEGIN
DECLARE @values varchar(8000)
SET @values = ''
SELECT @values = @values + ',' + value from tb WHERE id=@id
RETURN STUFF(@values, 1, 1, '')
END
GO
-- 调用函数
SELECT id, VALUE = dbo.fn_strSum(id) from tb GROUP BY id
DROP FUNCTION dbo.fn_strSum
----2.2 创建合并函数fn_strSum2,根据id合并value值
GO
CREATE FUNCTION dbo.fn_strSum2(@id int)
RETURNS varchar(8000)
AS
BEGIN
DECLARE @values varchar(8000)
SELECT @values = isnull(@values + ',', '') + value from t ......

简单的SQL面试题

1. Q. What is a join?
   A. Join is a process of retrieve pieces of data from different sets (tables) and returns them to the user or program as one joined collection of data.
2. Q. Can a table have more than one foreign key defined?
   A. A table can have any number of foreign keys defined. It can have only
       one primary key defined.
3. Q. List all the possible values that can be stored in a BOOLEAN data field.
   A. There are only two values that can be stored in a BOOLEAN data field:
         -1(true) and 0(false).
4.  Q. What is a stored procedure?
    A. A procedure is a group of PL/SQL statements that can be called by
        a name. Procedures do not return values they perform tasks.
5.  Q. What is Normalization?
    A. The process of table design is called normalization.
6.  Q. Write ......

Java 连接 SQL Server 2000示例代码

你的SQL Server 2000必须打上SP3的补,然后安装Microsoft的JDBC驱动,将以下三个jar包复制到WebContent\WEB-INF\lib
msbase.jar
mssqlserver.jar
msutil.jar
下面是测试代码,没有报错数据库就能正常连接
 public class DbcTest {
/**
* @param args
*/
public static void main(String[] args) {
String driver = "com.microsoft.jdbc.sqlserver.SQLServerDriver";
String url = "jdbc:microsoft:sqlserver://58.154.128.22:1433;DatabaseName=JavaDaoDataBase";
String user = "sa";
String password = "sa";
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try {
Class.forName(driver);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
conn = DriverManager.getConnection(url, user, password);
stmt = conn.createStatement();
} catch (SQLException e) {
System.out.println(e.toString());
}
System.out.println("数据库操作成功,恭喜你");
}
}
  ......

Java 连接 SQL Server 2000示例代码

你的SQL Server 2000必须打上SP3的补,然后安装Microsoft的JDBC驱动,将以下三个jar包复制到WebContent\WEB-INF\lib
msbase.jar
mssqlserver.jar
msutil.jar
下面是测试代码,没有报错数据库就能正常连接
 public class DbcTest {
/**
* @param args
*/
public static void main(String[] args) {
String driver = "com.microsoft.jdbc.sqlserver.SQLServerDriver";
String url = "jdbc:microsoft:sqlserver://58.154.128.22:1433;DatabaseName=JavaDaoDataBase";
String user = "sa";
String password = "sa";
Connection conn = null;
Statement stmt = null;
ResultSet rs = null;
try {
Class.forName(driver);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
conn = DriverManager.getConnection(url, user, password);
stmt = conn.createStatement();
} catch (SQLException e) {
System.out.println(e.toString());
}
System.out.println("数据库操作成功,恭喜你");
}
}
  ......

SQL Server挂起

在运行窗口输入regedit,打开注册表编辑器,在HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager中找到PendingFileRenameOperations,删除该键值,关闭注册表编辑器。重新安装SQL Server 2000,此时,就可以正常进入期待的安装界面了。 ......
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