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2.1  ´´½¨Programs
¡¡¡¡Scheduler ÖеÄProgram¶ÔÏó²¢²»Êdz£¹æÒâÒåÉϵÄ"³ÌÐò"»ò"Ó¦ÓÃ"£¬¶ø¾ÍÊÇÒ»¸ö"¶ÔÏó"£¬ÓÉDBA¶¨ÒåµÄ£¬¾ßÓÐÖ´ÐÐijÏÄܵÄÌØÊâ¶ÔÏó¡£ProgramÖÐʵ¼ÊÖ´ÐеIJÙ×÷¿ÉÒÔ·ÖΪÏÂÁÐÈýÖÖÀàÐÍ£º
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JSSWEB>  desc dbms_scheduler.create_program;
Parameter           Type           Mode Default? 
------------------- -------------- ---- -------- 
PROGRAM_NAME        VARCHAR2       IN            
PROGRAM_TYPE        VARCHAR2       IN            
PROGRAM_ACTION      VARCHAR2       IN            
NUMBER_OF_ARGUMENTS BINARY_INTEGER IN   Y        
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Oracle 10g ĬÈÏ°²×°´øÀ´µÄÓû§Ãû/ÃÜÂë
 
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Description
See Also
CTXSYS
CTXSYS
The Oracle Text account
Oracle Text Reference
DBSNMP
DBSNMP
The account used by the Management Agent component of Oracle Enterprise Manager to monitor and manage the database
Oracle Enter ......

OracleÈÕÆÚº¯Êý¼¯½õ

OracleÈÕÆÚº¯Êý¼¯½õ(Ò»)
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1.Y»òYY»òYYY ÄêµÄ×îºóһ룬Á½Î»»òÈýλ
SQL> Select to_char(sysdate,'Y') from dual;
TO_CHAR(SYSDATE,'Y')
--------------------
7
SQL> Select to_char(sysdate,'YY') from dual;
TO_CHAR(SYSDATE,'YY')
---------------------
07
SQL> Select to_ch ......

OracleÈÕÆÚº¯Êý¼¯½õ(¶þ)

OracleÈÕÆÚº¯Êý¼¯½õ(¶þ)
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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')
------------------
2 ......
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