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1 spool
spool d:\test\table.dat
select * from table_name;
spool off
2 sqlplus user/password@sid @test.sql > table.dat
test.sql
     select * from table_name;
     exit;


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--ɾ³ýij¸öÓû§ÏµĶÔÏó   
set heading off;   
set feedback off;   
spool c:\dropobj.sql;   
  prompt --Drop constraint   
 select 'alter t ......

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2.ORACLEµÚÈý·½¹¤¾ßÒ×ÉÏÊÖ£¬µ«ÄÑÉîÈ룻
   &n ......

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oracle ÈÕÆÚº¯Êý
 
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  add_months(d,n) ÈÕÆÚd¼Ón¸öÔÂ
  last_day(d) °üº¬dµÄÔÂ?µÄ×îºóÒ»ÌìµÄÈÕÆÚ
  new_time(d,a,b) a?ÇøµÄÈÕÆÚºÍ??dÔÚb?ÇøµÄÈÕÆÚºÍ??
  next_day(d,day) ±È ......

Oracle·ÖÎöº¯Êý£¨Í¬±È£¬»·±È£¬Àۼƣ¬»ù±È£©

CREATE TABLE salaryByMonth
(
 employeeNo varchar2(20),
 yearMonth varchar2(6),
 salary number
) ;
insert into SALARYBYMONTH (EMPLOYEENO, YEARMONTH, SALARY)
values (1, '200805', 500);
insert into SALARYBYMONTH (EMPLOYEENO, YEARMONTH, SALARY)
values (1, '200802', 150);
in ......

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