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 ×îÐÂÎÄÕ : sql

oracle Ïà關µÄsql語¾ä

Êý¾Ý×Öµädict×ÜÊÇÊôÓÚOracleÓû§sysµÄ¡£
¡¡¡¡1¡¢Óû§£º
¡¡¡¡¡¡select username from dba_users;
¡¡¡¡¸Ä¿ÚÁî
¡¡¡¡¡¡alter user spgroup identified by spgtest;
¡¡¡¡2¡¢±í¿Õ¼ä£º
¡¡¡¡¡¡select * from dba_data_files;
¡¡¡¡¡¡select * from dba_tablespaces;//±í¿Õ¼ä
¡¡¡¡¡¡select tablespace_name,sum(bytes), sum(blocks)
¡¡¡¡¡¡¡¡from dba_free_space group by tablespace_name;//¿ÕÏбí¿Õ¼ä
¡¡¡¡¡¡select * from dba_data_files
¡¡¡¡¡¡¡¡where tablespace_name='RBS';//±í¿Õ¼ä¶ÔÓ¦µÄÊý¾ÝÎļþ
¡¡¡¡¡¡select * from dba_segments
¡¡¡¡¡¡¡¡where tablespace_name='INDEXS';
¡¡¡¡3¡¢Êý¾Ý¿â¶ÔÏó£º
¡¡¡¡¡¡select * from dba_objects;
¡¡¡¡¡¡CLUSTER¡¢DATABASE LINK¡¢FUNCTION¡¢INDEX¡¢LIBRARY¡¢PACKAGE¡¢PACKAGE BODY¡¢
¡¡¡¡¡¡PROCEDURE¡¢SEQUENCE¡¢SYNONYM¡¢TABLE¡¢TRIGGER¡¢TYPE¡¢UNDEFINED¡¢VIEW¡£
¡¡¡¡4¡¢±í£º
¡¡¡¡¡¡select * from dba_tables;
¡¡¡¡¡¡analyze my_table compute statistics;->dba_tablesºó6ÁÐ
¡¡¡¡¡¡select extent_id,bytes from dba_extents
¡¡¡¡¡¡where segment_name='CUSTOMERS' and segment_type='TABLE'
¡¡¡¡¡¡order by extent ......

oracle Ïà關µÄsql語¾ä

Êý¾Ý×Öµädict×ÜÊÇÊôÓÚOracleÓû§sysµÄ¡£
¡¡¡¡1¡¢Óû§£º
¡¡¡¡¡¡select username from dba_users;
¡¡¡¡¸Ä¿ÚÁî
¡¡¡¡¡¡alter user spgroup identified by spgtest;
¡¡¡¡2¡¢±í¿Õ¼ä£º
¡¡¡¡¡¡select * from dba_data_files;
¡¡¡¡¡¡select * from dba_tablespaces;//±í¿Õ¼ä
¡¡¡¡¡¡select tablespace_name,sum(bytes), sum(blocks)
¡¡¡¡¡¡¡¡from dba_free_space group by tablespace_name;//¿ÕÏбí¿Õ¼ä
¡¡¡¡¡¡select * from dba_data_files
¡¡¡¡¡¡¡¡where tablespace_name='RBS';//±í¿Õ¼ä¶ÔÓ¦µÄÊý¾ÝÎļþ
¡¡¡¡¡¡select * from dba_segments
¡¡¡¡¡¡¡¡where tablespace_name='INDEXS';
¡¡¡¡3¡¢Êý¾Ý¿â¶ÔÏó£º
¡¡¡¡¡¡select * from dba_objects;
¡¡¡¡¡¡CLUSTER¡¢DATABASE LINK¡¢FUNCTION¡¢INDEX¡¢LIBRARY¡¢PACKAGE¡¢PACKAGE BODY¡¢
¡¡¡¡¡¡PROCEDURE¡¢SEQUENCE¡¢SYNONYM¡¢TABLE¡¢TRIGGER¡¢TYPE¡¢UNDEFINED¡¢VIEW¡£
¡¡¡¡4¡¢±í£º
¡¡¡¡¡¡select * from dba_tables;
¡¡¡¡¡¡analyze my_table compute statistics;->dba_tablesºó6ÁÐ
¡¡¡¡¡¡select extent_id,bytes from dba_extents
¡¡¡¡¡¡where segment_name='CUSTOMERS' and segment_type='TABLE'
¡¡¡¡¡¡order by extent ......

SQL Server2000 ½âÎöXML

DECLARE @HDOC INT --Îĵµ¾ä±ú
DECLARE @XMLSTRING VARCHAR(200) --XML×Ö·û´®
SET @xmlString ='<?xml version="1.0"?>
<ROOT>
<USER ID="1" Name="SBQCEL"/>
<USER ID="2" Name="PEACELI"/>
<USER ID="3" Name="SHEEPCHANG"/>
</ROOT>'
--ʹÓÃϵͳ´æ´¢¹ý³ÌSP_XML_PREPAREDOCUMENT·ÖÎöXML×Ö·û´®
EXEC SP_XML_PREPAREDOCUMENT @HDOC OUTPUT, @xmlString
--ʹÓÃOPENXML´ÓSQL Server µÄÄÚ²¿»º´æ²éѯÊý¾Ý
SELECT * from OPENXML(@HDOC,N'/ROOT/USER')
WITH
(
ID INT,
Name VARCHAR(10)
)
--ʹÓÃϵͳ´æ´¢¹ý³ÌSP_XML_REMOVEDOCUMENTÊÍ·ÅÄÚ´æ
EXEC SP_XML_REMOVEDOCUMENT @HDOC  ......

Sql Server ¶ÔxmlÀàÐ͵IJÙ×÷

 declare @XML XML
SET @XML='<root>
 <OLDVALUE>
  <H_Action id="1130">030</H_Action>
  <D_Action>030</D_Action>
  <OrderCompany>00220</OrderCompany>
  <OrderNumber>10004035</OrderNumber>
  <OrderType>SO</OrderType>
  <LineNumber>10.100</LineNumber>
 </OLDVALUE>
 <NEWVALUE>
  <H_Action>040</H_Action>
  <D_Action>040</D_Action>
  <OrderCompany>00220</OrderCompany>
  <OrderNumber>10004035</OrderNumber>
  <OrderType>SO</OrderType>
  <LineNumber>10.100</LineNumber>
  <LineType>CS</LineType>
  <LoadNumber>8811</LoadNumber>
 </NEWVALUE>
</root>'
select c.value('H_Action[1]','varchar(20)') as H_Action,
c.value( ......

Sql Server ¶ÔxmlÀàÐ͵IJÙ×÷

 declare @XML XML
SET @XML='<root>
 <OLDVALUE>
  <H_Action id="1130">030</H_Action>
  <D_Action>030</D_Action>
  <OrderCompany>00220</OrderCompany>
  <OrderNumber>10004035</OrderNumber>
  <OrderType>SO</OrderType>
  <LineNumber>10.100</LineNumber>
 </OLDVALUE>
 <NEWVALUE>
  <H_Action>040</H_Action>
  <D_Action>040</D_Action>
  <OrderCompany>00220</OrderCompany>
  <OrderNumber>10004035</OrderNumber>
  <OrderType>SO</OrderType>
  <LineNumber>10.100</LineNumber>
  <LineType>CS</LineType>
  <LoadNumber>8811</LoadNumber>
 </NEWVALUE>
</root>'
select c.value('H_Action[1]','varchar(20)') as H_Action,
c.value( ......

vfp/(asp/vfpdll/Sql)

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vfp/(asp/vfpdll/Sql)

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3.É趨ĬÈÏÍøÕ¾µÄÖ÷Ŀ¼£¬ºóÃæÌáµ½µÄsqlexec.asp¼°twcom.dll¶¼Òª·ÅÔÚÖ÷Ŀ¼ÖУ¬ÒÔÌṩ¸ø¿Í»§¶Ëµ÷Óá£
4.½«myfll.fll¸´ÖƵ½WINDOWSϵͳÎļþ¼Ð£¬ÕâÒ»µã·Ç³£ÖØÒª£¬·ñÔòÖ´ÐÐasp½«ÌáʾÕÒ²»µ½A ......

ÇåÀíSQL Server 2008Êý¾Ý¿âÈÕÖ¾

ÇåÀíSQL Server 2008Êý¾Ý¿âÈÕÖ¾
ÊÕ²Ø



µÚÒ»²½, ÔÚÊÕËõǰÏȲ鿴ÈÕÖ¾µÄ´óС:
SELECT

*
from
sysfiles
WHERE
name
LIKE
'
%
LOG
%'
GO
 
µÚ¶þ²½, °ÑÊý¾Ý¿âµÄ»Ö¸´Ä£Ê½Éè³É”¼òµ¥”:
ALTER

DATABASE
¿âÃû
SET
RECOVERY SIMPLE
GO
 
µÚÈý²½, ÔËÐÐcheckpointÖ¸Áî, °Ñdirty pageд½øÊý¾Ý¿â:
CHECKPOINT
GO
 
µÚËIJ½, ½Ø¶ÏÈÕÖ¾: 
BACKUP

LOG
¿âÃû
WITH
NO_LOG
GO
 
µÚÎå²½, ¼Ç¼һÏÂÈÕÖ¾ÃûΪÏÂÒ»²½×ö×¼±¸:
 
SELECT
Name
from
sysfiles
WHERE
name
LIKE
'
%
LOG'
GO
 
 
µÚÁù²½, ÊÕËõÈÕÖ¾Îļþ, °Ñ²»ÓõĿռäÊͷŸø²Ù×÷ϵͳ:
DBCC
SHRINKFILE (ÎļþÃû, ËùÐè´óС)
GO
 
µÚÆß²½, ÑéÖ¤Ò»ÏÂÈÕÖ¾´óСÊÇ·ñ´ïµ½ËùÐè´óСÁË:
SELECT

*
from
sysfiles
WHERE
name
LIKE
'
%
LOG
%
'
GO
 
 ºóÐø²½Öè:
 1)²é¿´ÄãµÄÖ÷ÒªÊý¾Ý¿â, ¿´¿´ÈÕÖ¾Ôö³¤ÊÇ·ñʧ¿Ø;
 2)²é¿´ÉÏÃæµÄ´úÂë, ²¢½øÐбØÒªÐ޸ĺͲâÊÔÒÔÊÊÓ¦ÄãµÄÊý¾Ý¿âÒªÇó;
 3)¶¨ÆÚÊÕËõÊý¾ ......

Çå³ýSQL Server Management Studio×î½ü·þÎñÆ÷Áбí

Õª×Ô£ºÒÁÒÇÇïË®
SQL Server Management Studio (SSMS) µÄ“Á¬½Óµ½·þÎñÆ÷”¶Ô»°¿ò»á¼Ç¼Óû§ËùÓзÃÎʹýµÄ·þÎñÆ÷Ãû³Æ£¬Õâ¸ö¹¦ÄܶÔÓÚ¾­³£Á¬½Ó¶à¸öÊý¾Ý¿âµÄÈËÀ´ËµÈ·ÊµÍ¦·½±ãµÄ¡£
²»¹ýʹÓÃÁËÒ»¶Îʱ¼äÖ®ºó£¬Õâ¸öÁбí»á±äµÃºÜ³¤¡£ÀïÃæ»¹Óкܶà·þÎñÆ÷Ãû³Æ¶¼ÒѾ­Ê§Ð§ÁË£¬ºÜÏë°ÑÕâ¸öÁбíÇå¿ÕÁË¡£µ«ÊǺÜÓôÃÆÔÚSSMSµÄ½çÃæÕÒ²»µ½¿ÉÒÔÇå¿Õ¸ÃÁбíµÄµØ·½£¬ÓÚÊÇÎÒGoogleÁËÒ»°Ñ£¬ÕÒµ½Á˴𰸡£
¶ÔÓÚ SQL Server 2005 Management Studio£¬¿ÉÒÔɾ³ýÒÔÏÂÎļþÇå¿Õ¸ÃÁÐ±í£º
WinXP: C:\Documents and Settings\<user>\Application Data\Microsoft\Microsoft SQL Server\90\Tools\Shell\mru.dat
Vista/Win7: C:\Users\<user>\AppData\Roaming\Microsoft\Microsoft SQL Server\90\Tools\Shell\mru.dat
¶ÔÓÚ SQL Server 2008 Management Studio£¬¿ÉÒÔɾ³ýÒÔÏÂÎļþÇå¿Õ¸ÃÁÐ±í£º
WinXP: C:\Documents and Settings\<user>\Application Data\Microsoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin
Vista/Win7: C:\Users\<user>\AppData\Roaming\Microsoft\Microsoft SQL Server\100\Tools\Shell\SqlStudio.bin ......
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