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* ¼ì²é¼àÌýÆ÷״̬£º
C:\>lsnrctl status
LSNRCTL for 32-bit Windows: Version 9.2.0.1.0 - Production on 30-6ÔÂ -2009 21:08
:04
Copyright (c) 1991, 2002, Oracle Corporation. All rights reserved.
ÕýÔÚÁ¬½Óµ½ (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNS-12541: TNS£ºÎÞ¼àÌýÆ÷
TNS-12560: TNS: ÐÒéÊÊÅäÆ÷´íÎó
TNS-00511: ÎÞ¼àÌýÆ÷
32-bit Windows Error: 2: No such file or directory
ÕýÔÚÁ¬½Óµ½ (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=www-7f628f1510d)(PORT=1521)
))
TNS-12541: TNS£ºÎÞ¼àÌýÆ÷
TNS-12560: TNS: ÐÒéÊÊÅäÆ÷´íÎó
TNS-00511: ÎÞ¼àÌýÆ÷
32-bit Windows Error: 61: Unknown error
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C:\>sqlplus /nolog
SQL*Plus: Release 9.2.0.1.0 - Production on ÐÇÆÚ¶þ 6ÔÂ 30 21:10:24 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> conn scott/tiger@oradb
ERROR:
ORA-12541: TNS: ûÓмàÌýÆ÷
SQL> exit;
££Èç¹ûûÓÐÆô¶¯ORACLE·þÎñµÄ»°£¬½«³öÏÖÏÂÃæµÄ´íÎó¶ø²»ÊÇÉÏÃæ£º ERROR: ORA-12560: TNS: ÐÒéÊÊÅäÆ÷´íÎó
C:\>sqlplus "/as sysdba"
SQL*Plus: Release 9.2.0.1.0 - Production on ÐÇÆÚ¶þ 6ÔÂ 30 21:14:17 2009
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
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--kill sessionÓï¾ä
alter system kill session'50,492';
--ÒÔϼ¸¸öΪÏà¹Ø±í
SELECT * from v$lock;
SELECT * from v$sqlarea;
SELECT * from v$session;
SELECT * from v$process ;
SELECT * from v$locked_object;
SELECT * from all_ ......
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1.creating function-based indexes
sql> create index summit.item_quantity on summit.item(quantity-quantity_shipped);
2.create a B-tree index
sql> create [unique] index index_name on table_name(column,.. asc/desc) tablespace
sql> tablespace_name [pctfree integer] ......