INSERT INTO test values(8,null,null);
select * from alarm where TIME_TO_SEC(TIMEDIFF(now(),SQL_DATE)) < 250;
alter table alarm add column SQL_DATE timestamp default CURRENT_TIMESTAMP;
select * from alarm;
导入表
mysqldump -u root -p nodesample notification>notification.sql
mysql插入时间戳列
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转载自maxer025.iteye.com/blog/2307434
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