A: UPDATE student set name=’youjun’ grade=98.5 where id=1;
B: UPDATE student set name=’youjun’, grade=98.5 where id=1;
C: UPDATE FROM student set name=’youjun’ ,grade=98.5 where id=1;
D: UPDATE student Values name=’youjun’ grade=98.5 where id=1;
举一反三
- 假设表student中，有一条id=1的记录，现要求将其name修改为“huahua"，grade修改为98.5.下列选项中，正确的SQL语句是（ ）。 A: UPDATE `student` SET `name`='huahua' `grade`=98.5 WHERE `id`=1 B: UPDATE `student` SET `name`='huahua', `grade`=98.5 WHERE `id`=1 C: UPDATE FOR `student` SET `name`='huahua', `grade`=98.5 WHERE `id`=1 D: UPDATE `student` `name`='huahua' `grade`=98.5 WHERE `id`=1
- 更新student表id=1的记录，name更新值为”youjun”,grade更新值为98.5，下列选项中，能够完成上述功能的SQL语句是
- 假设表student中，有一条id=1的记录，现要求将其name修改为“itcast”，grade修改为98.5。下列选项中，正确的SQL语句是（ ）。 A: UPDATEstudentname=’youjun’grade=98.5whereid=1 B: UPDATEstudentsetname=’youjun’,grade=98.5whereid=1 C: UPDATEstudentsetname=’youjun’grade=98.5whereid=1 D: UPDATEFORMstudentsetname=’youjun’,grade=98.5whereid=1
- 把student表中id字段值小于3的记录，将这些记录的grade字段值都更新为100（） A: UPDATE FROM student SET grade=100 where id<;3 B: UPDATE student SET grade=100 where id<;3 C: UPDATE student SET grade=100 D: UPDATE INTO student SET grade=100 where id<;3
- 下面选项中，能够更新表student中id值小于4的SQL语句是（） A: ALTER TABLE student where id<4; B: UPDATE student set grade=100 where id<4; C: UPDATE student set grade=100 where id<=4; D: UPDATE Table student set grade=100 where id<4;
内容
- 0
下面选项中，用于将表student中字段grade值更新为80的SQL语句是( ) A: ALTER TABLE student set grade=80; B: UPDATE student set grade=80 where grade=80; C: UPDATE student set grade=80 where grade<=80; D: UPDATE student set grade=80;
- 1
下列选项中,用于将student 表中“grade " 字段的值修改为“80”的SQL 语句是( )。 A: ALTER TABLE student set grade=80; B: ALTER student set grade=80; C: UPDATE student set grade=80 where grade<;80; D: UPDATE student set grade=80;
- 2
修改表Student中姓名Name为“张三”的学生的专业Major改为“计算机” A: ALTER TABLE Student SET Name='张三' WHERE Major='计算机' B: UPDATE Student SET Name='张三' WHERE Major='计算机' C: UPDATE Student SET Major='计算机' WHERE Name='张三' D: ALTER TABLE Student SET Major='计算机' WHERE Name='张三'
- 3
下列选项中，采用指定表的字段名的方式向表Student中添加id为1，name为”小王”的记录值的SQL语句是"( ) A: INSERT INTO Student(“id”,”name”) VALUES(1,”小王”); B: INSERT INTO Student(id,name) VALUES(1,’小王’); C: INSERT INTO Student VALUES(1,”小王”); D: INSERT INTO Student(id,”name”) VALUES(1,”小王”);
- 4
删除student表中id为1的记录（） A: TRUNCATE FROM student where id=1; B: DELETE student where id=1; C: DELETE FROM student where id=1; D: DELETE INTO student where id=1;