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select tname from tab;

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select table_name
from dba_indexes
where table_owner = 'Óû§Ãû';

--2.ËùÓÐÓû§
select * from tab;




select dbms_metadata.get_ddl('TABLE','TABLE_NAME','USER_NAME') from dual;

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select * from tab;  
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ÏȲ鿴һϱí½á¹¹£º desc user_tables;
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select table_name from user_tables;

select * from tab where tabtype='TALBE';
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select * from user_tables;
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select count(*) from all_tables where owner='Êý¾Ý¿âÓû§Ãû' ;

select table_name from user_tables
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select * from user_tables

select table_name from user_tables;



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