向表中插入一个和已有纪录关键字段一样的纪录的命令为()A、insert intoB、replace intoC、insert fromD、replace from
向表中插入一个和已有纪录关键字段一样的纪录的命令为()
- A、insert into
- B、replace into
- C、insert from
- D、replace from
相关考题:
根据SQL标准,把表SC1中的记录复制到另一个表SC2中,其中SC1表和SC2表的字段定义完全一样。下面哪条语句适用?()A copy * from SC1 to SC2B copy * from SC2 to SC1C insert into SC2 select * from SC1D insert into SC1 select * from SC2
将一维数组A中的值作为一条记录插入到XS表中的SQL命令是______。A.INSERT TO XS FROM ARRAY AB.INSERT INTO XS FROM ARRAY AC.INSET TO XS FROM AD.INSET IHTO XS FROM
将一维数组A中的值作为一条记录插入到XS表中的SQL命令是A.INSERT TO XS FROM ARRAY AB.INSERT INTO XS FROM ARRAY AC.INSERT TO XS FROM AD.INSERT INTO XS FROM
现有表book,字段:id(int),title(varchar),price(float);其中id字段设为标识,使用insert语句向book表中插入数据,以下语句错误的是()。A、insert into book (id,title,price) values(1,'java',100)B、insert into book (title,price) values('java',100)C、insert into book values ('java',100) 这辆都不可以啊,如果不指定列需要明确的给出空值D、insert book values('java',100)
现有表book,字段:id(int),title(varchar),price(float);其中id字段设为标识,使用insert语句向book表中插入数据,以下语句错误的是()。A、insert into book(id,title,price)values(1,’java’,100)B、insert into book(title,price)values(’java’,100)C、insert into book values(’java’,100)D、insert book values(’java’,100)
在当前某个表中,如果字段je=djnum,则()命令可以自动填写所有记录的je字段。A、browse je=djnumB、replace all je=djnumC、replace allwith je=djnumD、listall je=djnum
下列关于SQL的INSERT命令的叙述中,正确的是()A、INSERT命令中必须有VALUES关键字B、INSERT命令中必须有INTO关键字C、INSERT命令中必须有SET关键字D、INSERT命令中必须有FROM关键字
单选题向表中插入一个和已有纪录关键字段一样的纪录的命令为()Ainsert intoBreplace intoCinsert fromDreplace from