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

SQL Server bcp

D:\projects\openi\misc\xxxx_data_20090828>bcp [xxxxolap].[dbo].[wdb_cxbz]  in wdb_xxx.txt      -c -T
SQLState = 37000, NativeError = 4060
Error = [Microsoft][SQL Server Native Client 10.0][SQL Server]Cannot open database "xxxolap" requested by the login. The login failed.
SQLState = 28000, NativeError = 18456
Error = [Microsoft][SQL Server Native Client 10.0][SQL Server]Login failed for user 'xxxx\robin'.
½â¾ö°ì·¨
- MS SQLSERVER MANAGEMENT STUDIO -> SECURITY
- new LOGIN£¬¼ÓÈë 'xxxx\robin'
- ROLES&MAPPING


Ïà¹ØÎĵµ£º

PL/SQLѧϰ±Ê¼Ç¶þ


1.³£Á¿
¶¨ÒåÓï·¨¸ñʽ£º
³£Á¿Ãû constant ÀàÐͱêʶ·û [not null]:=Öµ;
È磺PI constant number(9):=3.1415;
2.»ù±¾Êý¾ÝÀàÐͱäÁ¿
»ù±¾Êý¾ÝÀàÐÍ
number  Êý×ÖÐÍ
int ÕûÊýÐÍ
pls_integer ÕûÊýÐÍ£¬²úÉúÒç³öʱ³öÏÖ´íÎó
binary_integer ÕûÊýÐÍ£¬±íʾ´ø·ûºÅµÄÕûÊý
char ¶¨³¤×Ö·ûÐÍ£¬×î´ó255¸ö×Ö·û
varchar2 ±ä³¤× ......

SQL*Plus FAQ

 What is SQL*Plus and where does it come from?
SQL*Plus is a command line SQL and PL/SQL language interface and reporting tool that ships with the Oracle Database Client and Server software. It can be used interactively or driven from scripts. SQL*Plus is frequently used by DBAs and Developers ......

Oracleά»¤³£ÓÃSQLÓï¾ä»ã×Ü

Oracleά»¤³£ÓÃSQLÓï¾ä»ã×Ü
ÉÏһƪ / ÏÂһƪ  2008-09-04 11:25:01
²é¿´( 1991 ) / ÆÀÂÛ( 0 ) / ÆÀ·Ö( 0 / 0 )
ÈçºÎÔ¶³ÌÅжÏOracleÊý¾Ý¿âµÄ°²×°Æ½Ì¨
select * from v$version;
²é¿´±í¿Õ¼äµÄʹÓÃÇé¿ö
select sum(bytes)/(1024*1024) as free_space,tablespace_name
from dba_free_space
group by tablespace_ ......

ʹÓÃset statistics on À´¼ì²ésql tuningµÄ½á¹û


ÔÚSQL Server2005/2008ÖпÉÒÔʹÓÃÒ»ÏÂËĸöÃüÁîÀ´µ÷ÓÅsqlÓï¾äÒÔ¼°¼ì²éµ÷ÓŵĽá¹û
set
 statistics time on

set
 statistics IO on

set
 statistics profile on

set
 statistics xml on

......

ÔÚPHPÖÐÈ«Ãæ×èÖ¹SQL×¢Èëʽ¹¥»÷Ö®¶þ

Ò»¡¢ ×¢Èëʽ¹¥»÷µÄÀàÐÍ
¡¡¡¡¿ÉÄÜ´æÔÚÐí¶à²»Í¬ÀàÐ͵Ĺ¥»÷¶¯»ú£¬µ«ÊÇÕ§¿´ÉÏÈ¥£¬Ëƺõ´æÔÚ¸ü¶àµÄÀàÐÍ¡£ÕâÊǷdz£ÕæÊµµÄ-Èç¹û¶ñÒâÓû§·¢ÏÖÁËÒ»¸öÄܹ»Ö´Ðжà¸ö²éѯµÄ°ì·¨µÄ»°¡£±¾ÎĺóÃæ£¬ÎÒÃÇ»á¶Ô´Ë×÷ÏêϸÌÖÂÛ¡£
¡¡¡¡Èç¹ûÄãµÄ½Å±¾ÕýÔÚÖ´ÐÐÒ»¸öSELECTÖ¸ÁÄÇô£¬¹¥»÷Õß¿ÉÒÔÇ¿ÆÈÏÔʾһ¸ö±í¸ñÖеÄÿһÐмǼ-ͨ¹ý°ÑÒ»¸öÀýÈç"1=1"Õâ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ