Shulou(Shulou.com)05/31 Report--

Today, I will talk to you about how to use the EXTRACT () function. Many people may not know much about it. In order to make you understand better, the editor has summarized the following for you. I hope you can get something according to this article.

The EXTRACT () function is used to extract individual parts of the date / time, such as year, month, day, hour, minute, and so on.

Select sysdate

Extract (year from sysdate)

Extract (month from sysdate)

Extract (day from sysdate)

From dual s

SELECT EXTRACT (HOUR FROM TIMESTAMP '2010-01-10 11V 12V 13')

EXTRACT (minute FROM TIMESTAMP '2010-01-10 11V 12V 13')

EXTRACT (second FROM TIMESTAMP '2010-01-10 11V 12V 13')

FROM DUAL

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