Explain data type TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON
UPDATE CURRENT_TIMESTAMP .
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Answer Posted / prasanna shejwal
TIMESTAMP DEFAULT :- when new row get inserted or existing
row get updated that time current timestamp get inserted.
CURRENT_TIMESTAMP :- when row get inserted that time current
timestamp get inserted. No change on update.
ON UPDATE CURRENT_TIMESTAMP :- when row get updated that
time current timestamp get inserted. On inserted default
value get inserted
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