将tb_goods表中的picture字段删除:
举一反三
- -- 5.删除“tb_goods”表中的“picture”字段
- 删除表tb_goods中的字段picture A: alter table tb_goods add picture; B: alter table tb_goods drop picture; C: alter table tb_goods rename picture; D: alter table tb_goods modify picture;
- 删除表tb_goods的命令是 A: drop table tg_goods; B: delete table tb_goods; C: drop index tg_goods; D: delete index tb_goods;
- 用命令语句修改表结构[br][/br] -- 1.修改“goods”的表名称为“tb_goods”
- 将student表中class字段删除的命令是()