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select  A.sid, b.serial#,
 decode(A.type,
    'MR', 'Media Recovery',
    'RT','Redo Thread',
    'UN','User Name',
    'TX', 'Transaction',
    'TM', 'DML',
    'UL', 'PL/SQL User Lock',
    'DX', 'Distributed Xaction',
    'CF', 'Control File',
    'IS', 'Instance State',
    'FS', 'File Set',
    'IR', 'Instance Recovery',
    'ST', 'Disk Space Transaction',
    'TS', 'Temp Segment',
    'IV', 'Library Cache Invalida-tion',
    'LS', 'Log Start or Switch',
    'RW', 'Row Wait',
    'SQ', 'Sequence Number',
    'TE', 'Extend Table',
    'TT', 'Temp Table',
    'Unknown') LockType,
 c.object_name,
 b.username,
 b.osuser,
 decode(a.lmode,   0, 'None',
            1, 'Null',
            2, 'Row-S',
            3, 'Row-X',
            4, 'Share',
            5, 'S/Row-X',
            6, 'Exclusive', 'Unknown') LockMode,
 B.MACHINE,D.SPID ,b.PROGRAM
 from v$lock a,v$session b,all_objects c,V$PROCESS D
 where a.sid=b.sid and a.type in ('TM','TX')
 and c.object_id=a.id1
 AND B.PADDR=D.ADDR
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2. ALTER SYSTEM KILL 'SID,SIEREL#' ×¢Òâ:ÓпÉÄܲúÉúÁ½¸ö»á»°SIDΪһÑù


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2£¬¿ÉʹÓÃresponsefile¿ìËÙȥͼÐΰ²×°oracle£¬ÔÚÔ´°²×°Îļþ/responseÀïÃæÓÐһЩģ°åÅäÖÃrpsÎļþ
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ÖÐȨÏÞ×î¸ßµÄÕʺţ¬¾ßÓÐcreate
databaseµÄȨÏÞ£¬¶øsystemûÓÐÕâ¸öȨÏÞ£ ......

oracleÖе÷Óôø²ÎÊýµÄ´æ´¢¹ý³Ì

create or replace procedure proc_test
( a in number, b out number )
as
begin
b:=a+1;
end    proc_test;
ÏÖÔÚÒªµ÷Óõϰ¾ÍÊÇÕâÑù
SQL> c number;
SQL>exec proc_test(1,:c);
ǧÍòҪעÒâ±ðÍüÁËдðºÅ ......

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1. ¸´ÖƱí½á¹¹¼°ÆäÊý¾Ý£º
create table table_name_new as select * from table_name_old
2. Ö»¸´ÖƱí½á¹¹£º
create table table_name_new as select * from table_name_old where 1=2;
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create table table_name_new like table_name_old
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insert into table_name_ ......

ORACLE to_charº¯ÊýÏê½â


The following are number examples for the to_char
function.
to_char
(1210.73,
'9999.9')
would return '1210.7'
to_char
(1210.73,
'9,999.99')
would return '1,210.73'
to_char
(1210.73,
'$9,999.00')
would return
'$1,210.73'
to_char
(21,
'000099')
would return '000021'
The foll ......
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