Reputation: 113
How to reduce one year in the DateTime using update query?
$result=mysqli_query($con, "UPDATE downloads SET ddtime='DATETIME_ADD('$ddtime', INTERVAL -1 YEAR)' WHERE downfile LIKE 'yark'");
Upvotes: 1
Views: 323
Reputation: 36
Try this:
$result=mysqli_query($con, "UPDATE downloads SET ddtime= DATE_SUB(ddtime, INTERVAL 1 Year) WHERE downfile LIKE '%yark%'");
Upvotes: 1
Reputation: 850
no quotes, no dollar signes:
UPDATE downloads SET ddtime=DATE_SUB(ddtime, INTERVAL 1 YEAR) WHERE ...
Upvotes: 1