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SQL> Select to_char(sysdate,'YY') from dual;
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SQL> Select to_char(sysdate,'YYY') from dual;
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3.MM Ô·ÝÊý
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4.RM Ô·ݵÄÂÞÂí±íʾ £¨VÔÚÂÞÂíÊý×ÖÖбíʾ 5£©
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5.Month ÓÃ9¸ö×Ö·û³¤¶È±íʾµÄÔ·ÝÃû
SQL> Select to_char(sysdate,'Month') from dual;
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6.WW µ±ÄêµÚ¼¸ÖÜ £¨2007Äê5ÔÂ29ÈÕΪ2007ÄêµÚ22ÖÜ£©
SQL> Select to_char(sysdate,'WW') from dual;
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7.W ±¾Ôµڼ¸ÖÜ £¨2007Äê5ÔÂ29ÈÕΪ5ÔµÚ5ÖÜ£©
SQL> Select to_char(sysdate,'W') from dual;
TO_CHAR(SYSDATE,'W')
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8.DDD µ±ÄêµÚ¼¸Ìì £¨2007Äê5ÔÂ29ÈÕΪ2007ÄêµÚ149Ì죩
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11.DY ÖÐÎĵÄÐÇÆÚ¼¸ £¨ £¨2007Äê5ÔÂ29ÈÕΪÐÇÆÚ¶þ£©£©
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