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详解Oracle DELETE和TRUNCATE 的区别

2025-03-15 01:34:55

推荐回答（1个）

回答（1）：

delete是dml语句，truncate是ddl语句。
delete会写回滚段，truncate不写回滚。
truncate与drop差不多，删除速度快。
truncate会释放高水位，delete不释放。

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