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CREATE OR REPLACE FUNCTION ntfuc(inp IN NUMBER)
RETURN NUMBER
IS
ntmp NUMBER;
BEGIN
ntmp := inp;
RETURN ntmp;
END ntfuc;
/
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DECLARE
rcn NUMBER;
BEGIN
rcn := ntfunc(1);
END;
/ ......
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 ......
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select getdate()
2. dateadd ÔÚÏòÖ¸¶¨ÈÕÆÚ¼ÓÉÏÒ»¶Îʱ¼äµÄ»ù´¡ÉÏ£¬·µ»ØÐ嵀 datetime Öµ
ÀýÈ ......
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 ......
declare @str varchar(50)
declare @i int
set @str = ''
set @i=0
while @i<50
begin
set @str = ......