Truncate Logs for SQL Server 2008
Truncate Logs for SQL Server 2008
I had previously posted how to Truncate Logs for SQL Server 2005. Unfortunately, this method does not work in SQL Server 2008. The reason is because the “WITH TRUNCATE_ONLY” command is no longer in SQL 2008. Assuming you run in full recovery mode, the new script to do this is:
USE [{DatabaseName}]
GO
ALTER DATABASE [{DatabaseName}] SET RECOVERY SIMPLE
GO
DBCC SHRINKFILE({TransactionLogLogicalName})
GO
ALTER DATABASE [{DatabaseName}] SET RECOVERY FULL
GO
Simply setting the database mode into simple recovery mode performs the actual truncation but the file is not shrunk by that. DBCC SHRINKFILE will take care of that second step. And don’t forget to put it back into full recovery mode at the end!!
Ïà¹ØÎĵµ£º
¡¡¡¡¹ØÏµÐÍÊý¾Ýͨ³£ÒԹ淶»¯ÐÎʽ±£´æ£¬¾ÍÊÇ˵ÄãÓ¦¸Ã¾¡¿ÉÄÜÉÙµØÖظ´Êý¾Ý;ͨ³£Çé¿öÏ£¬±íÓë±íÖ®¼ä½öͨ¹ý¸÷ÖÖ¼üֵʵÏÖ¹ØÁª¡£
¡¡¡¡¹ØÏµÐÍÊý¾Ýͨ³£ÒԹ淶»¯ÐÎʽ±£´æ£¬¾ÍÊÇ˵ÄãÓ¦¸Ã¾¡¿ÉÄÜÉÙµØÖظ´Êý¾Ý;ͨ³£Çé¿öÏ£¬±íÓë±íÖ®¼ä½öͨ¹ý¸÷ÖÖ¼üֵʵÏÖ¹ØÁª¡£½øÒ»²½µØ½²£¬¹æ·¶»¯µÄº¬Òå¾ÍÊÇ£ºÄã²»ÄÜÔÚÊý¾Ý¿âÖб£´æ¼ÆËãºóµÄÖµ£¬¶øÄãÖ»ÄÜÔÚ ......
SQL ServerÖÐδ¹«²¼µÄÀ©Õ¹´æ´¢¹ý³Ì
×÷Õß: echsys, ¡¡³ö´¦:blog,¡¡ÔðÈαà¼: ÀîÊéÇÙ,¡¡
2008-09-09 07:00
¡¡¡¡ÔÚSQL ServerÖаüº¬Á˼¸¸ö¿ÉÒÔ·ÃÎÊϵͳע²á±íµÄÀ©Õ¹´æ´¢¹ý³Ì¡£ËüÃÇÌṩÁËÔÚµ±Ç°µÄSQL Server°æ±¾ÖзÃÎÊϵͳע²á±íµÄÄÜÁ¦£¬¶øÇҺܶàÈËÀûÓÃSQL ServerÀ´½øÐй¥»÷ϵͳ¡£±¾ÎĽéÉÜÁËÈçºÎÔÚSQL ServerÖнûÓÃËûÃÇ¡£
......
¡¡
¡¡¡¡1. ʹÓÃ%TYPE
¡¡¡¡ÔÚÐí¶àÇé¿öÏ£¬PL/SQL±äÁ¿¿ÉÒÔÓÃÀ´´æ´¢ÔÚÊý¾Ý¿â±íÖеÄÊý¾Ý¡£ÔÚÕâÖÖÇé¿öÏ£¬±äÁ¿Ó¦¸ÃÓµÓÐÓë±íÁÐÏàͬµÄÀàÐÍ¡£ÀýÈ磬students±íµÄfirst_nameÁеÄÀàÐÍΪVARCHAR2(20),ÎÒÃÇ¿ÉÒÔ°´ÕÕÏÂÊö·½Ê½ÉùÃ÷Ò»¸ö±äÁ¿£º
¡¡¡¡DECLARE
¡¡¡¡ v_FirstName VARCHAR2(20);
¡¡
¡¡µ«ÊÇÈç¹ûfirst_nameÁе͍Òå¸Ä±äÁ ......
Join²Ù×÷·û
ÊÊÓó¡¾°£ºÔÚÎÒÃÇ±í¹ØÏµÖÐÓÐÒ»¶ÔÒ»¹ØÏµ£¬Ò»¶Ô¶à¹ØÏµ£¬¶à¶Ô¶à¹ØÏµµÈ¡£¶Ô¸÷¸ö±íÖ®¼äµÄ¹ØÏµ£¬¾ÍÓÃÕâЩʵÏÖ¶Ô¶à¸ö±íµÄ²Ù×÷¡£
˵Ã÷£ºÔÚJoin²Ù×÷ÖУ¬·Ö±ðΪJoin(Join²éѯ), SelectMany(SelectÒ»¶Ô¶àÑ¡Ôñ)ºÍGroupJoin(·Ö×éJoin²éѯ)¡£
¸ÃÀ©Õ¹·½·¨¶ÔÁ½¸öÐòÁÐÖмüÆ¥ÅäµÄÔªËØ½øÐÐinner join²Ù×÷
SelectMany
˵Ã÷£ºÎÒà ......