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select tname from tab;
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select table_name
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where table_owner = '̞';
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select * from tab;
select dbms_metadata.get_ddl('TABLE','TABLE_NAME','USER_NAME') from dual;
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select table_name from user_tables;
select * from tab where tabtype='TALBE';
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select * from user_tables
select table_name from user_tables;
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