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  • 震惊!!!Oracle SQL语句中竟然支持中文括号??

    震惊!!!Oracle SQL语句中竟然支持中文括号??

    Oracle中文指令指日可待[狗头]。

    看看下边的结果吧(看图片的会比较明显,里边是中文的括号)。

    16:49:20 ZKM@zkm(413)> merge intoselect * from t1 where stu_id = '0001') tt1
    16:49:21   2  using (select * from t2) tt2
    16:49:21   3  on (tt1.stu_id = tt2.stu_id)
    16:49:21   4  when matched then
    16:49:21   5    update set tt1.credit = tt2.credit ;
    
    1 row merged.
    
    Elapsed: 00:00:00.00
    16:49:25 ZKM@zkm(413)> select sql_id,prev_sql_id from v$session where sid=413;
    
    SQL_ID                                  PREV_SQL_ID
    --------------------------------------- ---------------------------------------
    3gp8t5837gkf1                           ftfxakkrv28up
    
    Elapsed: 00:00:00.00
    16:49:46 ZKM@zkm(413)> !ora sqltext ftfxakkrv28up
    
    Session altered.
    
    Elapsed: 00:00:00.00
    
    SQL_FULLTEXT
    -----------------------------------------------------------------
    merge intoselect * from t1 where stu_id = '0001') tt1
    using (select * from t2) tt2
    on (tt1.stu_id = tt2.stu_id)
    when matched then
      update set tt1.credit = tt2.credit
    
    
    Elapsed: 00:00:00.00
    16:52:51 ZKM@zkm(413)> select (1+2) from dual;
    
         (1+2)
    ----------
             3
    
    Elapsed: 00:00:00.00
    16:52:55 ZKM@zkm(413)> select1+2from dual;
    
       (1+2----------
             3
    
    Elapsed: 00:00:00.00

    除了震惊一下,没啥用[狗头]。

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  • 原文地址:https://www.cnblogs.com/PiscesCanon/p/14422462.html
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