SQL 将时间戳转换为数字格式
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Convert timestamp to number format
提问by JohnD
I have a timestamp
datatype column (time_stamp_col
) that stores data in the following format:
10-AUG-57 12.00.00.000000000 AM
我有一个timestamp
数据类型列 ( time_stamp_col
),它以以下格式存储数据:
10-AUG-57 12.00.00.000000000 AM
I need to convert it into a number
datatype format like 19570810
我需要将其转换为number
数据类型格式,如19570810
Any ideas? Thanks
有任何想法吗?谢谢
回答by D Stanley
Assuming your format is "YYYYMMDD"
, you should be able to use TO_CHAR
just like a date field:
假设您的格式是"YYYYMMDD"
,您应该可以TO_CHAR
像日期字段一样使用:
SELECT TO_NUMBER(TO_CHAR(time_stamp_col,'YYYYMMDD'))