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    select * into t_dest from t_src; -- ÒªÇóÄ¿±ê±í²»´æÔÚ
    insert into t_dest(a, b) select a, b from t_src; -- ÒªÇóÄ¿±ê±íÒÑ´æÔÚ
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    execute immediate 'select ' || sq_serialnum || '.nextval from dual' into i_serialnum;
°´ÕÕÆ´Òô,²¿Ê×,±Ê»­ÅÅÐò
    ÏÂÃæµÄ·½·¨ÐèÒªORACLE9iºÍÒÔÉϵİ汾²ÅÖ§³Ö.
    Oracle9i֮ǰ, ÖÐÎÄÊǰ´ÕÕ¶þ½øÖƱàÂë½øÐÐÅÅÐòµÄ.
    ÔÚoracle9iÖÐÐÂÔöÁ˰´ÕÕÆ´Òô,²¿Ê×,±Ê»­ÅÅÐò¹¦ÄÜ. ÉèÖÃNLS_SORTÖµ
    SCHINESE_RADICAL_M °´ÕÕ²¿Ê×(µÚһ˳Ðò),±Ê»®(µÚ¶þ˳Ðò)ÅÅÐò
    SCHINESE_STROKE_M °´Õձʻ®(µÚһ˳Ðò),²¿Ê×(µÚ¶þ˳Ðò)ÅÅÐò
    SCHINESE_PINYIN_M °´ÕÕÆ´ÒôÅÅÐò, ϵͳµÄĬÈÏÅÅÐò·½Ê½ÎªÆ´ÒôÅÅÐò
    select * from table_name order by nlssort(field_name, 'nls_sort=SCHINESE_STROKE_M');
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    select to_char(systimestamp,'yyyy-mm-dd hh24:mi:ss.ff3') from dual;
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    select * from test where columnname like 'a\_%' escape '\';
    -- ±íʾ½«½ô¸úÔÚescape×Ö·ûºóµÄ×Ö·û½âÊÍΪ×Ö·û±¾Éí, ¶ø·ÇתÒå×Ö·û
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    select sysdate,sysdate - interval '1' second from dual;
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    alter table t_employee add (remark varchar2(50)); --Ôö¼ÓÁР
    alter table t_employee modify (sex default 0); --ÐÞ¸ÄÁеÄĬÈÏÖµ
    alter table t_employee modify (remark null); --ÐÞ¸ÄÁпÉΪ¿Õ
    alter table t_employee rename to t_employee_new; --Ð޸ıíÃû
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    HibernateÊÇ»ùÓÚ¶ÔÏó/¹ØÏµÓ³É䣨ORM£¬Object/Relational Mapping£©µÄÒ»¸ö½â¾ö·½°¸¡£ORM·½°¸µÄ˼ÏëÊǽ«¶ÔÏóÄ£ÐͱíʾµÄ¶ÔÏóÓ³Éäµ½¹ØÏµÐÍÊý¾Ý¿âÖУ¬»òÕß·´Ö®¡£HibernateĿǰÊÇORM˼ÏëÔÚJavaÖÐ×î³É¹¦¡¢×îÇ¿´óµÄʵÏÖ¡£ËüÓÚ2001ÄêµÄÄêÄ©·¢²¼µÚÒ»¸ö°æ±¾£¬Á¢¼´ÒýÆðÁ˹㷺µÄ×¢Òâ¡£2003Äê6Ô£ ......

Oracle 1Z0 053 Exam

Exam Number/Code : 1Z0-053
Exam Name : Oracle Database 11g: Administration II
Questions and Answers : 167 Q&As
Update Time: 2010-05-15
1. You are not sure if Flashback Database is enabled. What database column and view can you query to
see if the flashback logs are being created in the ......
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