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µ÷Óà MS SQL ±êÁ¿Öµº¯Êý£¬Ó¦¸ÃÔÚº¯ÊýÇ°Ãæ¼ÓÉÏ "dbo."£¬·ñÔò»á±¨ “²»ÊÇ¿ÉÒÔʶ±ðµÄ ÄÚÖú¯ÊýÃû³Æ”´íÎó¡£ÀýÈç
    DECLARE @WhichDB TINYINT;
    SELECT @WhichDB = user_GetWhichDB(1);--¿´¿´ÊÇÄĸöÊý¾Ý¿âµÄ
=================================================
--±êÁ¿Öµº¯Êý
ALTER FUNCTION [dbo].[user_GetWhichDB]
(
    @UserId INT = 0
)
RETURNS TINYINT
WITH EXECUTE AS CALLER
AS
BEGIN
    DECLARE @WhichDB TINYINT;
    SET @WhichDB = 1;
    IF @UserId >= 115098
        SET @WhichDB = 2;
   
    RETURN (@WhichDB);
END


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 Select * from tableName
exec('select * from tableName')
exec sp_executesql N'select * from tableName' -- Çë×¢Òâ×Ö·û´®Ç°Ò»¶¨Òª¼ÓN
2:×Ö¶ÎÃû£¬±íÃû£¬Êý¾Ý¿âÃûÖ®Àà×÷Ϊ±äÁ¿Ê±£¬±ØÐëÓö¯Ì¬SQL
declare @fname varchar(20)
set @fname = 'FiledName'
Select @fname from tableName -- ´íÎó,²»»áÌáʾ´í ......

»ùÓÚSQL Server ·ÖÒ³´æ´¢¹ý³ÌµÄÑݽø

 
»ùÓÚSQL Server ·ÖÒ³´æ´¢¹ý³ÌµÄÑݽø ÊÕ²Ø
Õë¶ÔÊý¾Ý¿âÊý¾ÝÔÚUI½çÃæÉϵķÖÒ³ÊÇÀÏÉú³£Ì¸µÄÎÊÌâÁË£¬ÍøÉϺÜÈÝÒ×ÕÒµ½¸÷Ö֓ͨÓô洢¹ý³Ì”´úÂ룬¶øÇÒÓÐЩ»¹¶¨ÖƲéѯÌõ¼þ£¬¿´ÉÏȥʹÓúܷ½±ã¡£±ÊÕß´òËãͨ¹ý±¾ÎÄÒ²À´¼òµ¥Ì¸Ò»Ï»ùÓÚSQL SERVER 2000µÄ·ÖÒ³´æ´¢¹ý³Ì£¬Í¬Ê±Ì¸Ì¸SQL SERVER 2005Ï·ÖÒ³´æ´¢¹ý³ÌµÄÑ ......

½«ExcelÎļþÊý¾Ý¿âµ¼ÈëSQL ServerµÄÈýÖÖ·½°¸

 ½«ExcelÎļþÊý¾Ý¿âµ¼ÈëSQL ServerµÄÈýÖÖ·½°¸
//·½°¸Ò»£º ͨ¹ýOleDB·½Ê½»ñÈ¡ExcelÎļþµÄÊý¾Ý£¬È»ºóͨ¹ýDataSetÖÐתµ½SQL Server
openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Excel files(*.xls)|*.xls";
if(openFileDialog.ShowDialog()==DialogResult.OK)
{
    FileInfo ......

1.The SQL introuduction

Introducing Oracle Database 11g
List the features of Oracle Database 11g
Discuss the basic design, theoretical and physical aspects of a relational database
Categorize the different types of SQL statements
Describe the data set used by the course
Log onto the database using the SQL Develope ......

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 1.¶Á³ö±íÖеÄ×Ö¶ÎÃû
ResultSet  rs = test.selectSql("SELECT * from datainfo");  
java.sql.ResultSetMetaData md=rs.getMetaData();   //¶Á³öÊý¾Ý¿âµÄ×Ö¶ÎÃû
   int nColumn=md.getColumnCount();   //×Ö¶Î×ÜÊý
   for(int i=0;i<nColumn;i++)
& ......
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