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SELECT A.OWNER,
A.OBJECT_NAME,
B.XIDUSN,
B.XIDSLOT,
B.XIDSQN,
B.SESSION_ID,
B.ORACLE_USERNAME,
B.OS_USER_NAME,
B.PROCESS,
B.LOCKED_MODE,
C.MACHINE,
C.STATUS,
C.SERVER,
C.SID,
C.SERIAL#,
C.PROGRAM
from ALL_OBJECTS A,
V$LOCKED_OBJECT B,
SYS.GV_$SESSION C
WHERE ( A.OBJECT_ID = B.OBJECT_ID )
AND (B.PROCESS = C.PROCESS )
ORDER BY 1,2;
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D:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora
# tnsnames.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
SQLCLUB =
  (DESCRIPTION ......

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¡¡¡¡drop table student;
¡¡¡¡create table student
¡¡¡¡(
¡¡¡¡id int primary key,
¡¡¡¡name nvarchar2(50) not null,
¡¡¡¡score number not null
¡¡¡¡);
¡¡¡¡insert into ......

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¡¡¡¡¡¡select username from dba_users;
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¡¡¡¡¡¡alter user spgroup identified by spgtest;
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¡¡¡¡¡¡select * from dba_data_files;
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¡¡¡¡¡¡select tablespace_name,sum(bytes), sum ......

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select t.res_id,
       t.res_size || '(kb)' as res_size,
       decode(t.res_type,1,'Ä£°åÇø','0','ÎĵµÇø') res_type,
   ......
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