【判断题】
查看正确答案A、prove B、havebeenproved C、proves D、areproved
搜题
更多“Students almost always enjoy listening to stories.（）”相关的问题
第2题
A、SELECT*FROM students ORDERBYavg_grade B、SELECT*FROM students GROUPBYavg_grade ASC C、SELECT*FROM students ORDERBYavg_grade DESC D、SELECT*FROM students ORDERbyavg_gradeasc
第3题
A、让students访问Internet B、阻止students访问RA的命令提示符 C、阻止管理员访问RA的控制台 D、让administrators访问Internet E、阻止students访问Internet F、阻止students访问Admin的网络
第4题
A、ALTER TABLE students ADD PRIMARY KEY _ id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
第5题
A、ALTER TABLE students ADD PRIMARY KEY _ id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
第6题
A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
第7题
A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
第8题
A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id); C、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id; D、ALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id); E、ALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
第9题
A、ALTER TABLE students ADD PRIMARY KEY student_id; B、ALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student _ id); C、ALTER TABLE students ADD CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id); D、ALTER TABLE students MODIFY CONSTRAINT stud _ id _pk PRIMARY KEY (student _ id);
