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create table table_name_new as select * from table_name_old
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create table table_name_new as select * from table_name_old where
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create table table_name_new like table_name_old
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insert into table_name_new select * from table_name_old
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insert into
table_name_new(column1,column2...) select column1,column2...
from table_name_old
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Name Type Nullable Default Comments
------- ------------ -------- ------- --------
COUNTRY VARCHAR2(20) Y &nb ......
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SQL> create table mytest(
2 name varchar2(30),
3 pwd varchar2(30));
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create procedure sp_pro1 is
create or replace procedure sp_pro1 is --Èç¹û´æÔÚ¼´ ......
select count(1) from dictionary;
select * from dba_data_files;
select count(1) from dba_objects t where t.owner='BESTTONE';
select * from dba_tablespaces t where t.tablespace_name='BESTTONE';
select count(1) from dba_tables t where t.owner='BESTTONE';
select t.table_name,t.comments from diction ......