plsql 不鎖表更新內容

原創 吴凡鑫 2020-07-05 10:54

大牛們請繞過，小弟分享點自己的經驗 

以前用pl/sql寫語句更新數據庫的時候的時候 都喜歡用 select XXX from yyy for update
後來發現這種方法在更新的時候會鎖住表，
有時候只是更新一個字段又懶得寫語句。
告訴大家一個小技巧  就是 
select　*.t,*.rowid from yyyy t  
加上ｒｏｗｉｄ以後就不會出現鎖表的問題啦　～

 

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