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oracle生成毫秒级时间戳
2022-04-23 06:04:00 【旺财2】
SELECT (SYSDATE - TO_DATE('1970-1-1 8', 'YYYY-MM-DD HH24')) * 86400000 + TO_NUMBER(TO_CHAR(SYSTIMESTAMP(3), 'FF')) AS MILLIONS FROM DUAL;
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https://blog.csdn.net/wdyliuxingfeiyang/article/details/121906514
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