table ta,tb

update ta t set t.sal='100' where t.name=tb.name
and tb.page='1000'
为什么执行的时候出错误
ORA-00904: "TB","PAGE": invalid identified

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SQL code

update ta tset sal = '100'where exists(select 1 from tb where name= t.name and page='1000')
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探讨
 
 SQL codeupdate ta t 
 set sal = '100' 
 where exists(select 1 from tb where name= t.name and page='1000') 
 

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1楼的sql正确  是只更新ta阿
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探讨
 
 SQL codeupdateta tsetsal='100'where exists(select1fromtbwherename=t.nameandpage='1000') 
 

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楼上的就正确，你要是不放心就用我这个，绝对唯一！ 
 update ta t 
  set t.sal = '100' 
  where t.rowid in (select ta.rowid 
  from ta, tb 
 where ta.name = tb.name 
 and tb.page = '1000');