delete from表名&truncate table表名区别
delete from表名truncate table表名区别 1.delete不能使自动编号返回为起始值。 但是truncate能使自动增长的列的值返回为默认的种子 2.truncate只能一次清空，不能按条件删除。 www.2cto.com 但是delete可以按条件清除部分记录。 3.truncate清空数据表性能（
delete from表名&truncate table表名区别
1.delete不能使自动编号返回为起始值。
但是truncate能使自动增长的列的值返回为默认的种子
2.truncate只能一次清空，不能按条件删除。
www.2cto.com
但是delete可以按条件清除部分记录。
3.truncate清空数据表性能（速度）比delete快。
4.truncate不会记录到系统日志，不会触发delete触发器。
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