A. TRUNCATE删除记录后,重新添加记录时自动标识也重新从1开始 B. TRUNCATE删除记录后,重新添加记录时自动标识接着原来的值向后增长 C. TRUNCATE可以删除表中的部分记录 D. TRUNCATE只能删除表中全部记录
A. delete from user; B. drop from user; C. truncate table user; D. delete from user where 1=1;
A. TRUNCATE user; B. TRUNCATE TABLE user; C. DELETE FROM user; DELETE user;
A. 对 B. 错