以下语句错误的是()
A: LECT rank, AVG(salary) FROM people HAVING AVG(salary) > 1000 GROUP BY rank;
B: SELECT rank, AVG(salary) FROM people GROUP BY rank HAVING AVG(salary) > 1000
C: SELECT rank, AVG(salary) FROM people HAVING AVG(salary) > 1000 GROUP BY rank;
D: SELECT AVG(salary) FROM people GROUP BY rank HAVING AVG(salary) > 1000;
E: SELECT rank, AVG(salary) FROM people GROUP BY rank WHERE AVG(salary) > 1000;
A: LECT rank, AVG(salary) FROM people HAVING AVG(salary) > 1000 GROUP BY rank;
B: SELECT rank, AVG(salary) FROM people GROUP BY rank HAVING AVG(salary) > 1000
C: SELECT rank, AVG(salary) FROM people HAVING AVG(salary) > 1000 GROUP BY rank;
D: SELECT AVG(salary) FROM people GROUP BY rank HAVING AVG(salary) > 1000;
E: SELECT rank, AVG(salary) FROM people GROUP BY rank WHERE AVG(salary) > 1000;
举一反三
- 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) > 3000; B: SELECT<br/>JOB_ID, DEPARTMENT_ID, AVG(SALARY) FROM EMPLOYEES GROUP BY JOB_ID,<br/>DEPARTMENT_ID HAVING AVG(SALARY) > 3000; C: SELECT<br/>JOB_ID, DEPARTMENT_ID, AVG(SALARY) FROM EMPLOYEES GROUP BY<br/>AVG(SALARY) HAVING AVG(SALARY) > 3000; D: FROM<br/>EMPLOYEES GROUP BY JOB_ID, DEPARTMENT_ID HAVING SALARY > 3000;
- 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;
- 表employees中有字段title表示职务,字段salary表示工资,求各个职务平均工资的T-SQL语句是( )。 A: SELECT AVG(SALARY) FROM EMPLOYEES WHERE TITLE B: SELECT AVG(SALARY) FROM EMPLOYEES GROUP BY TITLE C: SELECT AVG(TITLE) FROM EMPLOYEES GROUP BY SALARY D: SELECT SALARY FROM EMPLOYEES GROUP BY TITLE
- 以下语句错误的是() A: SELECTrank,AVG(salary)FROMpeopleGROUPBYrankHAVINGAVG(salary)>1000 B: SELECTrank,AVG(salary)FROMpeopleHAVINGAVG(salary)>1000GROUPBYrank; C: SELECTAVG(salary)FROMpeopleGROUPBYrankHAVINGAVG(salary)>1000; D: SELECTrank,AVG(salary)FROMpeopleGROUPBYrankWHEREAVG(salary)>1000;
- 查询各类别的公司中比该类别最小工资高300元的公司、工资、类别 A: SELECT name, salary, type FROM job AS s1 WHERE salary > (SELECT min(salary) FROM job AS s2 WHERE s1.type = s2.type GROUP BY type) ; B: SELECT name, salary, type FROM job AS s1 WHERE salary > (SELECT min(salary) FROM job AS s2 WHERE s1.type = s2.type ) + 300; C: SELECT name, salary, type FROM job WHERE salary > 300; D: SELECT name, salary, type FROM job AS s1 WHERE salary > (SELECT min(salary) FROM job AS s2 WHERE s1.type = s2.type GROUP BY type) + 300;