Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÐÔÄܼà¿ØÖ®¼à¿ØSQLÓï¾ä

ÐÔÄܼà¿ØÖ®¼à¿ØSQLÓï¾ä 
·ÖÎö±í 
analyze table tablename compute statistics for all indexes; 
analyze table tablename compute statistics for all indexed columns; 
analyze table tablename compute statistics for table; 
¼à¿ØÊÂÀýµÄµÈ´ý 
select event,sum(decode(wait_Time,0,0,1)) "Prev", 
sum(decode(wait_Time,0,1,0)) "Curr",count(*) "Tot" 
from v$session_Wait 
group by event order by 4; 
²é¿´ËéƬ³Ì¶È¸ßµÄ±í 
SELECT segment_name table_name , COUNT(*) extents 
from dba_segments WHERE owner NOT IN (SYS, SYSTEM) GROUP BY segment_name 
HAVING COUNT(*) = (SELECT MAX( COUNT(*) from dba_segments GROUP BY segment_name); 
±í¡¢Ë÷ÒýµÄ´æ´¢Çé¿ö¼ì²é 
select segment_name,sum(bytes),count(*) ext_quan from dba_extents where 
tablespace_name=&tablespace_name and segment_type=TABLE group by tablespace_name,segment_name; 
select segment_name,count(*) from dba_extents where segment_type=INDEX and owner=&owner 
group by segment_name; 
ÕÒʹÓÃCPU¶àµÄÓû§session 
12ÊÇcpu used by this session 
select a.sid,spid,status,substr(a.program,1,40) prog,a.terminal,osuser,value/60/100 value 
from v$session a,v$process b,v$sesstat c 
where c.statistic#=12 and c.sid=a.sid and a.paddr=b.addr order by value desc; 
¼à¿Ø±í¿Õ¼äµÄ I/O ±ÈÀý 
select df.tablespace_name name,df.file_name "file",f.phyrds pyr, 
f.phyblkrd pbr,f.phywrts pyw, f.phyblkwrt pbw 
from v$filestat f, dba_data_files df 
where f.file# = df.file_id 
order by df.tablespace_name; 
»Ø¹ö¶ÎµÄÕùÓÃÇé¿ö 
select name, waits, gets, waits/gets "Ratio" 
from v$rollstat a, v$rollname b 
where a.usn = b.usn; 
ÔÚij¸öÓû§ÏÂÕÒËùÓеÄË÷Òý 
select user_indexes.table_name, user_indexes.index_name,uniqueness, column_name 
from user_ind_columns, user_indexes 
where user_ind_columns.index_name = user_indexes.index_name 
and user_ind_columns.t


Ïà¹ØÎĵµ£º

½«Êý¾Ý¿â±íÖеÄÊý¾ÝתΪsqlÖеÄinsertÓï¾ä

 set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go
-- =============================================
-- Author: <Author,,Name>
-- Create date: <Create Date,,>
-- Description: <Description,,>
-- =============================================
--½«±íÊý¾ÝÉú³ÉSQL½Å±¾µÄ´æ´¢¹ý³Ì ......

1433¶Ë¿ÚÓ³Éä ¼ÜÉèsql server [¾­µä]

1433¶Ë¿ÚÓ³Éä ¼ÜÉèsql server
¡¾×ª¡¿ http://blog.csdn.net/lee576/archive/2007/11/12/1880001.aspx
¹ØÓÚͨ¹ýÍâÍøÁ¬½ÓÄÚÍøSQL Server·þÎñÆ÷µÄ·½·¨
      ½üÈÕ£¬ÔÚÂÛ̳ÉÏ¿´µ½µÄÓйØSQL ServerÔ¶³ÌÁ¬½ÓµÄÎÄÕºó£¬ÕæµÄÊÜÒæÁ¼¶à¡£Ò»Ö±ÒÔÀ´À§»óÁËÒѾõĹØÓÚ´ÓÍâÍøÈçºÎÁ¬½Óµ½ÄÚÍøµÄSQL Server·þÎñÆ ......

SQL SERVER ²éѯÓï¾äÓÅ»¯(ת)

1¡¢  ÓóÌÐòÖУ¬±£Ö¤ÔÚʵÏÖ¹¦ÄܵĻù´¡ÉÏ£¬¾¡Á¿¼õÉÙ¶ÔÊý¾Ý¿âµÄ·ÃÎÊ´ÎÊý£»Í¨¹ýËÑË÷²ÎÊý£¬¾¡Á¿¼õÉÙ¶Ô±íµÄ·ÃÎÊÐÐÊý,×îС»¯½á¹û¼¯£¬´Ó¶ø¼õÇáÍøÂ縺µ££»Äܹ»·Ö¿ªµÄ ²Ù×÷¾¡Á¿·Ö¿ª´¦Àí£¬Ìá¸ßÿ´ÎµÄÏìÓ¦Ëٶȣ»ÔÚÊý¾Ý´°¿ÚʹÓÃSQLʱ£¬¾¡Á¿°ÑʹÓõÄË÷Òý·ÅÔÚÑ¡ÔñµÄÊ×ÁУ»Ëã·¨µÄ½á¹¹¾¡Á¿¼òµ¥£»ÔÚ²éѯʱ£¬²»Òª¹ý¶àµØʹÓÃͨÅä·û ÈçSELE ......

asp.net ÖÆ×÷°²×°°ü²¢×Ô¶¯°²×°SQLÊý¾Ý¿â

Ò»).´´½¨²¿ÊðÏîÄ¿    
  1.   ÔÚ“Îļþ”²Ëµ¥ÉÏÖ¸Ïò“Ìí¼ÓÏîÄ¿”£¬È»ºóÑ¡Ôñ“н¨ÏîÄ¿”¡£    
  2.   ÔÚ“Ìí¼ÓÐÂÏîÄ¿”¶Ô»°¿òÖУ¬Ñ¡Ôñ“ÏîÄ¿ÀàÐÍ”´°¸ñÖеē°²×°ºÍ²¿ÊðÏîÄ¿”£¬È»ºóÑ¡Ôñ“Ä£°å”´°¸ñ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ