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1.2  ¹ÜÀíJobs
1.2.1  ÆôÓÃJobs
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SQL> exec dbms_scheduler.enable(¨INSERT_TEST_TBL¨);
PL/SQL procedure successfully completed.
1.2.2  ½ûÓÃJobs
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SQL> exec dbms_scheduler.disable(¨INSERT_TEST_TBL¨);
PL/SQL procedure successfully completed.
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1.2.3  ÐÞ¸ÄJobs
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SQL> exec dbms_scheduler.set_attribute(¨INSERT_TEST_TBL¨,¨JOB_ACTION¨,¨P_ INSERT INTOTEST¨);
PL/SQL procedure successfully completed
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1.trunc(sysdate,'Q') ±¾¼¾¶ÈµÚÒ»Ìì
SQL> select trunc(sysdate,'Q') from dual;
TRUNC(SYSDATE,'Q')
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2.trunc(sysdate,'D') ±¾ÖܵĵÚÒ»Ìì(ÖÜÈÕ)
SQL> select trunc(sysdate,'D')from dual;
TRUNC(SYSDATE,'D')
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