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工作中4类常用时间转换
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NUM2CHAR := SELECT TO_CHAR(TO_DATE('19700101080000','yyyyMMddHH24miss')+((3684394329-2208988800)/86400), 'yyyyMMddHH24miss')FROM DUAL | |
CHAR2NUM := SELECT (TO_date('20160901000000'char,'yyyyMMddHH24miss') - to_date('19700101080000','yyyymmddhh24miss'))*86400+2208988800 FROM DUAL | |
DATE2NUM := SELECT (sysdate - to_date('19700101080000','yyyymmddhh24miss'))*86400+2208988800 FROM DUAL; | |
NUM2DATE := SELECT TO_DATE('19700101080000','yyyyMMddHH24miss')+((3684394329-2208988800)/86400) FROM DUAL |
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