SQL] DB2 date 를 milliseconds 로 변환하기.

DB2
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select to_number(sysdate - to_date('1970-01-01','YYYY-MM-DD')) * (24 * 60 * 60 * 1000)
FROM sysibm.sysdummy1 ;


ORACLE
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select to_number(sysdate - to_date('1970-01-01','YYYY-MM-DD')) * (24 * 60 * 60 * 1000)
FROM dual;