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

ÈçºÎ¼ì²éSQL Server ÄÚ´æÆ¿¾±

 DBCC memorystatus
 --²éѯ»º³åÇø³ØÏûºÄµÄÄÚ´æ×ÜÁ¿°üÀ¨AWE
 
 SELECT
 SUM(multi_pages_kb+virtual_memory_committed_kb+shared_memory_committed_kb+
 awe_allocated_kb) AS [Used by BPool, kb]
 from sys.dm_os_memory_clerks WHERE type='MEMORYCLERK_SQLBUFFERPOOL'
 
 --È·ÈÏÄÇЩÄÚ²¿×齨ÇÔÈ¡ÁË»º³åÇø³ØÖеĴ󲿷ֵÄÒ³Ãæ
 
 SELECT TOP 10 type, SUM(single_pages_kb) AS stolen_mem_kb
 from sys.dm_os_memory_clerks
 GROUP BY type ORDER BY SUM(single_pages_kb) DESC
 
 --È·ÈÏÔÚ»º³åÇø³ØÍâ·ÖÅäÁËÄÚ´æµÄÄÚ²¿×齨
 
 SELECT type, SUM(multi_pages_kb) AS memory_allocated_kb
 from sys.dm_os_memory_clerks
 WHERE multi_pages_kb!=0
 GROUP BY type


Ïà¹ØÎĵµ£º

ÓÃSQLÓï¾ä´Óaspnet_profile±íÀïÈ¡Óû§µÄProfileÖµ

The aspnet_Profile table contains the following fields: UserId, PropertyNames, PropertyValuesString, PropertyValuesBinary,  and LastUpdatedDate. The PropertyNames field contains a string delimited with colons (:) that identify which profile fields are stored, what their datatype is and their of ......

SQL_Plus²Ù×÷ÃüÁî ¸½Â¼B SQL*PLUS

SQL_Plus²Ù×÷ÃüÁî  ¸½Â¼B SQL*PLUS
SQL*PLUS ÊÇOracleÌṩµÄÒ»¸ö¹¤¾ß³ÌÐò£¬Ëü²»½ö¿ÉÒÔÓÃÓÚ²âÊÔ£¬ÔËÐÐSQLÓï¾äºÍPL/SQL¿é£¬¶øÇÒ»¹¿ÉÒÔÓÃÓÚ¹ÜÀíOracleÊý¾Ý¿â
 1.Æô¶¯sql*plus
 ÎªÁËʹÓÃsql*plus£¬±ØÐëÊ×ÏÈÒªÆô¶¯sql*plus¡£Oracle²»½öÌṩÁËÃüÁîÐкÍͼÐνçÃæµÄsql*plus£¬¶øÇÒ»¹¿ÉÒÔÔÚwebä¯ÀÀÆ÷ÖÐÔËÐÐ.
  ......

Oracle PL/SQL±à³Ì¹æ·¶Ö¸ÄÏ

Ò»¡¢PL/SQL±à³Ì¹æ·¶Ö®´óСд
¾ÍÏñÔÚSQLÖÐÒ»Ñù£¬PL / SQLÖÐÊDz»Çø·Ö´óСдµÄ¡£ÆäÒ»°ã×¼ÔòÈçÏ£º
¹Ø¼ü×Ö(BEGIN, EXCEPTION, END, IF THEN ELSE,LOOP, END LOOP)¡¢Êý¾ÝÀàÐÍ(VARCHAR2, NUMBER)¡¢ÄÚ²¿º¯Êý(LEAST, SUBSTR)ºÍÓû§¶¨ÒåµÄ×Ó³ÌÐò(procedures, functions,packages)£¬Ê¹Óôóд¡£
±äÁ¿ÃûÒÔ¼°SQLÖеÄÁÐÃûºÍ±íÃû£¬Ê¹ÓÃÐ ......

³£ÓÃSQLÓï¾ä£¨Oracle£©(ת)

ORACLEÖÐ×ֶεÄÊý¾ÝÀàÐÍ
   ×Ö·ûÐÍ    char        ·¶Î§  ×î´ó2000¸ö×Ö½Ú ¶¨³¤
               char(10)   'ÕÅÈý' ºóÌí¿Õ¸ñ6¸ö°Ñ10¸ö×Ö½Ú²¹Âú  'ÕÅÈý &nb ......

sql 2000 ¸´ÖƱí

SQLÓï¾äʵÏÖ£¬SQL Server 2000 ¼°ACCESS¸´ÖƾɱíOldTableµÄ½á¹¹£¬»ò½á¹¹¼°ÄÚÈݵ½ÐµıíNewTable
Á½¸ö¶¼ÊÔ¹ýÁË£¬ÏÂÃæµÄ´úÂëÔÚÕâÁ½¸öÊý¾Ý¿âÖУ¨SQL Server 2000 ¼°ACCESS£©¶¼ÊÇ¿ÉÒÔͨ¹ýµÄ¡£
--¸´ÖƱí½á¹¹ÎªÐµıí
select * into NewTable
from OldTable where 1=2
--¸´ÖƱí½á¹¹¼°ÄÚÈݵ½Ðµıí
select * into newtable ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ