Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQL Serverµ¼Èëµ¼³öÊý¾Ý´óÈ«

SQLÓï¾äµ¼Èëµ¼³ö´óÈ«[ÊÕ¼¯]
ÕýÇÉÕâÁ½ÌìÒªÓõ½Õâ¸ö£¬ÉÏÍøÕÒµ½Ò»¸ö£¬»ØÀ´×Ô¼º¼ì²âһϣº
/******* µ¼³öµ½excel
EXEC master..xp_cmdshell 'bcp SettleDB.dbo.shanghu out c:\temp1.xls -c -q -
S"GNETDATA/GNETDATA" -U"sa" -P""'
/*********** µ¼ÈëExcel
SELECT *
from OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel
5.0')...xactions
/*¶¯Ì¬ÎļþÃû
declare @fn varchar(20),@s varchar(1000)
set @fn = 'c:\test.xls'
set @s ='''Microsoft.Jet.OLEDB.4.0'',
''Data Source="'+@fn+'";User ID=Admin;Password=;Extended properties=Excel 5.0'''
set @s = 'SELECT * from OpenDataSource ('+@s+')...sheet1$'
exec(@s)
*/
SELECT cast(cast(¿ÆÄ¿±àºÅ as numeric(10,2)) as nvarchar(255))+'¡¡' ת»»ºóµÄ±ðÃû
from OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel
5.0')...xactions
/********************** EXCELµ¼µ½Ô¶³ÌSQL
insert OPENDATASOURCE(
         'SQLOLEDB',
         'Data Source=Ô¶³Ìip;User ID=sa;Password=ÃÜÂë'
         ).¿âÃû.dbo.±íÃû (ÁÐÃû1,ÁÐÃû2)
SELECT ÁÐÃû1,ÁÐÃû2
from OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel
5.0')...xactions
/** µ¼ÈëÎı¾Îļþ
EXEC master..xp_cmdshell 'bcp dbname..tablename in c:\DT.txt -c -Sservername -Usa -
Ppassword'
/** µ¼³öÎı¾Îļþ
EXEC master..xp_cmdshell 'bcp dbname..tablename out c:\DT.txt -c -Sservername -Usa -
Ppassword'
»ò
EXEC master..xp_cmdshell 'bcp "Select * from dbname..tablename" queryout c:\DT.txt -c -
Sservername -Usa -Ppassword'
µ¼³öµ½TXTÎı¾£¬ÓöººÅ·Ö¿ª
exec master..xp_cmdshell 'bcp "¿âÃû..±íÃû" out "d:\tt.txt" -c -t ,-U sa -P password'
BULK INSERT ¿âÃû..±íÃû
from 'c:\test.txt'
WITH (
    FIELDTERMINATOR = ';',
    ROWTERMINATOR = '\n'
)
--/* dBase IVÎļþ
select *


Ïà¹ØÎĵµ£º

SQL Server 2005ÖеÄT SQLÔöÇ¿(3) TOP OUTPUT

TOP ÔöÇ¿¹¦ÄÜ
1¡¢TOP ÔöÇ¿¡£¿ÉÒÔÖ¸¶¨Ò»¸öÊý×Ö±í´ïʽ£¬ÒÔ·µ»ØÒªÍ¨¹ý²éѯӰÏìµÄÐÐÊý»ò°Ù·Ö±È£¬»¹¿ÉÒÔ¸ù¾ÝÇé¿öʹÓñäÁ¿»ò×Ó²éѯ¡£
¿ÉÒÔÔÚDELETE¡¢UPDATEºÍINSERT²éѯÖÐʹÓÃTOPÑ¡Ïî¡£
2¡¢¸üºÃµØÌæ»»SET ROWCOUNTÑ¡Ïʹ֮¸üΪÓÐЧ¡£
OUTPUT
1¡¢SQL Server 2005ÒýÈëÒ»¸öеÄOUTPUT×Ӿ䣬ÒÔʹÄú¿ÉÒÔ³åÐÞ¸ÄÓï¾ä(INSERT¡ ......

oracle sql*plus set &spool½éÉÜ(Ò»)

1). ÉèÖõ±Ç°sessionÊÇ·ñ¶ÔÐ޸ĵÄÊý¾Ý½øÐÐ×Ô¶¯Ìá½» :SET AUTO[COMMIT] {ON|OFF|IMM[EDIATE]| n}
SQL> set autocommit off
2)£®ÔÚÓÃstartÃüÁîÖ´ÐÐÒ»¸ösql½Å±¾Ê±£¬ÊÇ·ñÏÔʾ½Å±¾ÖÐÕýÔÚÖ´ÐеÄSQLÓï¾ä :SET ECHO {ON|OFF}
SQL> set echo on
3).ÊÇ·ñÏÔʾµ±Ç°sqlÓï¾ä²éѯ»òÐ޸ĵÄÐÐÊý
SQL> SET FEED[BACK] {6|n|O ......

ÈçºÎÓà SQL Tuning Advisor (STA) ÓÅ»¯SQLÓï¾ä


ÔÚOracle10g֮ǰ£¬ÓÅ»¯SQLÊǸö±È½Ï·ÑÁ¦µÄ¼¼Êõ»î£¬²»Í£µÄ·ÖÎöÖ´Ðмƻ®£¬¼Óhint£¬·ÖÎöͳ¼ÆÐÅÏ¢µÈµÈ¡£ÔÚ10gÖУ¬OracleÍÆ³öÁË×Ô¼ºµÄSQLÓÅ»¯¸¨Öú¹¤¾ß: SQLÓÅ»¯Æ÷(SQL Tuning Advisor £ºSTA)£¬ËüÊÇеÄDBMS_SQLTUNE°ü¡£Ê¹ÓÃSTAÒ»¶¨Òª±£Ö¤ÓÅ»¯Æ÷ÊÇCBOģʽÏ¡£
Ö´ÐÐDBMS_SQLTUNE°ü½øÐÐsqlÓÅ»¯ÐèÒªÓÐadvisorµ ......

DB2µÄ³£ÓÃSQLС½á


1¡¢×éºÏÓï¾äÖ´ÐÐ
BEGIN   ATOMIC
±í´ïʽ1 ·ÖºÅ ¿Õ¸ñ/»Ø³µ
±í´ïʽ2 ·ÖºÅ ¿Õ¸ñ/»Ø³µ
END
2¡¢Ó¦¸ÃÏÞÖÆ·ÃÎÊȨÏÞµÄ±í£¨Ó¦¸Ã³·ÏúÕâЩ±íPUBLIC SELECT·ÃÎÊȨ£©
SYSCAT.DBAUTH
SYSCAT.TABAUTH
SYSCAT.PACKAGEAUTH
SYSCAT.INDEXAUTH
SYSCAT.COLAUTH
SYSCAT.PASSTHRUAUTH
SYSCAT.SCHEMAAUTH
±È½ÏÓÐÓõÄĿ¼± ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ