sql server选择了混合模式问题

SQL*PLUS中函数

创建函数
CREATE OR REPLACE FUNCTION ntfuc(inp IN NUMBER)
RETURN NUMBER
IS
ntmp NUMBER;
BEGIN
ntmp := inp;
RETURN ntmp;
END ntfuc;
/
执行该函数时
DECLARE
rcn NUMBER;
BEGIN
rcn := ntfunc(1);
END;
/ ......

Tips on Optimizing SQL Server Clustered Indexes

http://www.sql-server-performance.com/tips/clustered_indexes_p1.aspx
As a rule of thumb, every table should have a clustered index. Generally, but not always, the clustered index should be on a column that monotonically increases--such as an identity column, or some other column where the value is ......

sql日期函数

SQLServer时间日期函数详解,SQLServer,时间日期,
1.      当前系统日期、时间
        select getdate()
2. dateadd      在向指定日期加上一段时间的基础上，返回新的 datetime 值
       例� ......

SQL Server 2005 Driver for JDBC

Load the SQL Server 2005 Driver for JDBC before you load the SQL Server 2000 Driver for JDBC. To do this, use the DriverManager class as in the following code example.
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver"); // 2005 version
Class.forName("com.microsoft.jdbc.sqlserver.SQLSe ......

SQL生成随机字符串

declare @str varchar(50)
declare   @i   int
set @str = ''
   set   @i=0
   while   @i<50
   begin
        set   @str = ......