MySQL Programming Question: Download Questions PDF
How To Extract a Unit Value from a Date and Time?
Answer:
If you want to extract a specific date or time unit value out of a date or a time, you can use the EXTRACT(unit FROM expression) function. The tutorial exercise below gives you some good examples:
ELECT EXTRACT(DAY FROM NOW()) FROM DUAL;
28
ELECT EXTRACT(HOUR FROM NOW()) FROM DUAL;
23
ELECT EXTRACT(SECOND FROM NOW()) FROM DUAL;
36
ELECT EXTRACT(DAY FROM NOW()) FROM DUAL;
28
ELECT EXTRACT(HOUR FROM NOW()) FROM DUAL;
23
ELECT EXTRACT(SECOND FROM NOW()) FROM DUAL;
36
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