输出公司的名称及id，以id的升序排列 A: SELECT name, id FROM job ORDER BY id ASC; B: SELECT name, id FROM job ORDER BY id DESC; C: SELECT name, id FROM job ORDER BY name DECS; D: SELECT name, id FROM job ORDER BY name ASC;

下面哪个语句关于GROUP BY 和HAVING语句的使用是正确的？（) A: A.SELECT JOB_ID , DEPARTMENT_ID , AVG(SALARY)FROM EMPLOYEES GROUP BY JOB_IDHAVING AVG(SALARY) > 3000; B: B.SELECT JOB_ID , DEPARTMENT_ID , AVG(SALARY)FROM EMPLOYEES GROUP BY JOB_ID ,DEPARTMENT_IDHAVING AVG(SALARY) > 3000; C: C.SELECT JOB_ID , DEPARTMENT_ID , AVG(SALARY)FROM EMPLOYEES GROUP BY AVG(SALARY)HAVING AVG(SALARY) > 3000; D: D.SELECT JOB_ID , DEPARTMENT_ID , AVG(SALARY)FROM EMPLOYEES GROUP BY JOB_ID , DEPARTMENT_IDHAVING SALARY > 3000;

下面哪个语句关于GROUP BY 和HAVING语句的使用是正确的是?() A: SELECT<br/>JOB_ID, DEPARTMENT_ID, AVG(SALARY) FROM EMPLOYEES GROUP BY JOB_ID<br/>HAVING AVG(SALARY) &gt; 3000; B: SELECT<br/>JOB_ID, DEPARTMENT_ID, AVG(SALARY) FROM EMPLOYEES GROUP BY JOB_ID,<br/>DEPARTMENT_ID HAVING AVG(SALARY) &gt; 3000; C: SELECT<br/>JOB_ID, DEPARTMENT_ID, AVG(SALARY) FROM EMPLOYEES GROUP BY<br/>AVG(SALARY) HAVING AVG(SALARY) &gt; 3000; D: FROM<br/>EMPLOYEES GROUP BY JOB_ID, DEPARTMENT_ID HAVING SALARY &gt; 3000;

To obtain the job, you must have __________ of residence in Michigan, such as a Michigan ID card. A: presence B: proof C: infection D: confirmation

执行语句“a,b=1,1”后，以下结论正确的是（ ）。 A: id(a)、id(b)、id(1)各不相等 B: id(a)=id(b)，但不同于id(1) C: id(a)=id(1)，但不同于id(b) D: id(a)、id(b)、id(1)均相等

关于id选择器使用方法正确的是（） A: #id B: id C: $id D: &id

jquery中id选择器的正确写法是？ A: $(".id") B: $("#id") C: $("id") D: $("+id")

下面程序的运行结果___ #include “stdio.h” int id=3; void main { int id=5; { int id; id=7; printf(“id=%d\n”, id ); } printf(“id=%d\n”, id ); }

【单选题】下列选项中,能正确给某控件设定 id 为 id1 的是() A. android:id="@+id/id1" B. android:id="id/id1" C. android:id="@id/id1" D. android:id="+@id/id1"

界面上有一EditText组件,用来输入用户的用户名,如何设置它的ID属性? A: android:id="@+id/etUsername" B: android:id="@id/etUsername" C: android:id="id/etUsername" D: android:id="+id/etUsername"