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

SQL Server²éѯһÖÜÄڵļǼ

select * from tableName where datediff(week,dateField,getdate())=0
ÕâÑù²é³öÀ´µÄ½á¹ûÊÇ´ÓÐÇÆÚÌìµ½ÐÇÆÚÁù(ÀÏÍâĬÈÏÐÇÆÚÌìÊÇÒ»ÖܵĵÚÒ»Ìì).
Èç¹ûÏëÒÔÐÇÆÚÒ»×÷ΪµÚÒ»ÌìµÄ»°,Á½¸öʱ¼ä¶¼ÐèÒª¼õÒ»,ÈçÏÂ:
select * from tableName where datediff(week,dateField-1,getdate()-1)=0


Ïà¹ØÎĵµ£º

SQL Server 2000 ¸÷ÖÖ¶ÔÏóµÄ×î´óÖµ(ÊýÁ¿»ò´óС)

SQL Server 2000 ¸÷ÖÖ¶ÔÏóµÄ×î´óÖµ(ÊýÁ¿»ò´óС)
¹ÜÀíµÄÒ»¸öÊý¾Ý¿â´óС½«½ü10G£¬¿ªÊ¼µ£ÐÄÊý¾Ý¿â»á²»»á¹ý´ó£¬²éѯSQL ServerµÄÁª»ú´ÔÊéºó·¢ÏÖ×Ô¼ºµÄµ£ÐÄÕæµÄÊǶàÓàµÄ¡£
SQL Server 2000Êý¾Ý¿âÎļþ´óС£¨Êý¾Ý¡¢ÈÕÖ¾£©×î´ó¿ÉÒÔÖ§³Ö 32 TB µÄÎļþ
½ØÈ¡SQL Server 2000Áª»ú´ÔÊéÖеÄ×î´óÈÝÁ¿ËµÃ÷·½±ã´ó¼Ò²éÔÄ¡£
SQL ServerÊý¾Ý ......

Êý¾Ý¿â×Ö¶ÎÀàÐÍ SQL Server

—×Ö·ûÀàÐÍ
Char: ¶¨³¤·ÇUnicodeµÄ×Ö·ûÐÍÊý¾Ý£¬×î´ó³¤¶ÈΪ8000
Varchar:±ä³¤·ÇUnicodeµÄ×Ö·ûÐÍÊý¾Ý£¬×î´ó³¤¶ÈΪ8000
Text(varchar(max)):±ä³¤·ÇUnicodeµÄ×Ö·ûÐÍÊý¾Ý£¬×î´ó³¤¶ÈΪ2G
Nchar:¶¨³¤UnicodeµÄ×Ö·ûÐÍÊý¾Ý£¬×î´ó³¤¶ÈΪ8000
Nvarchar:±ä³¤UnicodeµÄ×Ö·ûÐÍÊý¾Ý£¬×î´ó³¤¶ÈΪ8000
Ntext(nvarchar(max)):± ......

[Õª³­/¼Ç¼]MySQLµ¼Èë/µ¼³ö.sqlÎļþ

µ¼³ö.sqlÎļþ
 
1.½«Êý¾Ý¿âtransfer_server_dbµ¼³öµ½transfSRV.sqlÎļþÖУº
mysqldump -u root -p transfer_server_db > /home/eric/transfSRV.sql
2.½«Êý¾Ý¿âtransfer_server_dbÖеÄdevice_info_tableµ¼³öµ½table.sqlÎļþÖУº
mysqldump -u root -p transfer_server_db device_info_table > /home/eric/ta ......

SQL Server 2005 ¾µÏñ¹¦ÄÜʵÏÖ

SQL Server 2005 ¾µÏñ¹¦ÄÜʵÏÖ
1. Ö÷»ú¡¢¾µÏñ·Ö±ðMASTER KEY¡£
Ö÷»úÖ´ÐУº 
USE master;  
  
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'password';  
  
CREATE CERTIFICATE HOST_A_cert WITH  ......

Using Oracle Trace Analyzer (trcanlzr.sql)


Using Oracle Trace Analyzer (trcanlzr.sql)
Dave Moore:  Author of Oracle Utilities
Oracle has provided another utility initially designed for performance tuning Oracle Applications.  Trace Analyzer is provided in the form of a PL/SQL package (TRCA$ ).  The Trace Analyzer utility i ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ