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c shell perl php下日期时间转换: 秒数和人类可读日期 scalar localtime 和 seconds since `00:00:00 1970-01-01 UTC' scalar localtime 26- 和 seconds since `00:00:00 1970-01-01 UTC' (1970年1月1日凌晨零点以来秒数) the number of seconds that have passed since the Epoch: 00:00:00 January 1, 1970, Coordinated Universal Time (UTC). c: [阅读全文] [PDF]
 以下代码实现Unix到Oracle的日期转换。 CREATE OR REPLACE FUNCTION Unix_To_Oracle_Date  (    p_unix_date IN NUMBER, -- Range of >= 0    p_num_hr_gmt_diff IN PLS_INTEGER  -- Range of -24 to +24    ) RETURN DATE AS    /*    Function Name:  Unix_To_Oracle_Date      Purpose:     To calculate an Oracl [阅读全文] [PDF]
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