Oracle »ñÈ¡Ô³õºÍÔÂÄ©

SELECT SYSDATE CURRENT_DT,
       TRUNC(SYSDATE,'MM') MONTH_BEGIN,
       ADD_MONTHS(TRUNC(SYSDATE,'MM'),1)-1 MONTH_END

FROM DUAL;

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תÔØÓÚ:https://www.cnblogs.com/ayumie/p/9633260.html