单选题Evaluate this SQL statement: SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id; What will happen if you remove all the parentheses

题目
单选题
Evaluate this SQL statement: SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id; What will happen if you remove all the parentheses from the calculation? （）
A

The value displayed in the CALC_VALUE column will be lower.

B

The value displayed in the CALC_VALUE column will be higher.

C

There will be no difference in the value displayed in the CALC_VALUE column.

D

An error will be reported.

相似考题

1.The PRODUCTS table has these columns:PRODUCT_ID NUMBER(4)PRODUCT_NAME VARCHAR2(45)PRICE NUMBER(8,2)Evaluate this SQL statement:SELECT *FROM PRODUCTSORDER BY price, product _ name;What is true about the SQL statement? （）A. The results are not sorted.B. The results are sorted numerically.C. The results are sorted alphabetically.D. The results are sorted numerically and then alphabetically.

2.Evaluate this SQL statement:SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales amount * (.35 * e.bonus)) AS CALC_VALUEFROM employees e, sales sWHERE e.employee_id = s.emp_id;What will happen if you remove all the parentheses from the calculation? （）A. The value displayed in the CALC_VALUE column will be lower.B. The value displayed in the CALC_VALUE column will be higher.C. There will be no difference in the value displayed in the CALC_VALUE column.D. An error will be reported.

3.Evaluate the SQL statement:SELECT LPAD (salary,10,*)FROM EMPWHERE EMP _ ID = 1001;If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?()A. 17000.00B. 17000*****C. ****170.00D. **17000.00E. an error statement

4.Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）A. Selection, projection, joinB. Difference, projection, joinC. Selection, intersection, joinD. Intersection, projection, joinE. Difference, projection, product

更多“Evaluate this SQL statement: SELECT e.employee_id, (.15* e.s”相关问题

  • 第1题：

    Evaluate this SQL statement:In the statement, which capabilities of a SELECT statement are performed?()

    A. Selection, projection, join

    B. Difference, projection, join

    C. Selection, intersection, join

    D. Intersection, projection, join

    E. Difference, projection, product


    参考答案：A

  • 第2题：

    Examine the structure of the EMPLOYEES and DEPARTMENTS tables:Evaluate this SQL statement:Which SQL statement is equivalent to the above SQL statement?()

    A.

    B.

    C.

    D.


    参考答案：C

  • 第3题：

    Click the Exhibit button to examine the data of the EMPLOYEES table. Evaluate this SQL statement:SELECT e.employee_id "Emp_id", e.emp_name "Employee", e.salary, m.employee_id "Mgr_id", m.emp_name "Manager"FROM employees e JOIN employees m ON (e.mgr_id = m.employee_id)AND e.salary > 4000;What is its output?（）

    A.A

    B.B

    C.C

    D.D

    E.E


    参考答案：A

  • 第4题：

    Evaluate this SQL statement:e.employee_id, (.15* e.salary) + (.5 * e.commission_pct)+ (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUEFROM employees e, sales sWHERE e.employee_id = s.emp_id;What will happen if you remove all the parentheses from the calculation?（）

    A.The value displayed in the CALC_VALUE column will be lower.

    B.The value displayed in the CALC_VALUE column will be higher.

    C.There will be no difference in the value displayed in the CALC_VALUE column.

    D.An error will be reported.


    参考答案：C

  • 第5题：

    Evaluate these two SQL statements: SELECT last_name, salary , hire_date FROM EMPLOYEES ORDER BY salary DESC; SELECT last_name, salary, hire_date FROM EMPLOYEES ORDER BY 2 DESC; What is true about them?（）

    • A、The two statements produce identical results.
    • B、The second statement returns a syntax error.
    • C、There is no need to specify DESC because the results are sorted in descending order by default.
    • D、The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.

    正确答案:A

  • 第6题：

    Evaluate the SQL statement: SELECT LPAD (salary,10,*) FROM EMP WHERE EMP _ ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）

    • A、17000.00
    • B、17000*****
    • C、****170.00
    • D、**17000.00
    • E、an error statement

    正确答案:D

  • 第7题：

    单选题
    Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）
    A

    Selection, projection, join

    B

    Difference, projection, join

    C

    Selection, intersection, join

    D

    Intersection, projection, join

    E

    Difference, projection, product


    正确答案： A
    解析： 暂无解析

  • 第8题：

    单选题
    The user Sue issues this SQL statement: GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement: GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement: GRANT SELECT ON sue. EMP TO timber; The user Sue issues this SQL statement: REVOKE select on sue. EMP FROM alice; For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?（）
    A

    Alice only

    B

    Alice and Reena

    C

    Alice, Reena, and Timber

    D

    Sue, Alice, Reena, and Timber


    正确答案： C
    解析： 暂无解析

  • 第9题：

    单选题
    Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）
    A

    17000.00

    B

    17000*****

    C

    ****170.00

    D

    **17000.00

    E

    an error statement


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）
    A

    Selection, projection, join

    B

    Difference, projection, join

    C

    Selection, intersection, join

    D

    Intersection, projection, join

    E

    Difference, projection, product


    正确答案： B
    解析： 暂无解析

  • 第11题：

    单选题
    The PRODUCTS table has these columns: PRODUCT_ID NUMBER(4) PRODUCT_NAME VARCHAR2(45) PRICE NUMBER(8,2) Evaluate this SQL statement: SELECT * FROM PRODUCTS ORDER BY price, product _ name; What is true about the SQL statement? （）
    A

    The results are not sorted.

    B

    The results are sorted numerically.

    C

    The results are sorted alphabetically.

    D

    The results are sorted numerically and then alphabetically.


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Evaluate this SQL statement: e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id; What will happen if you remove all the parentheses from the calculation?（）
    A

    The value displayed in the CALC_VALUE column will be lower.

    B

    The value displayed in the CALC_VALUE column will be higher.

    C

    There will be no difference in the value displayed in the CALC_VALUE column.

    D

    An error will be reported.


    正确答案： D
    解析： 暂无解析

  • 第13题：

    Evaluate the SQL statement:What will be displayed?()

    A. 0

    B. 1

    C. 0.00

    D. An error statement


    参考答案：A

  • 第14题：

    Evaluate this SQL statement:SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAMEFROM EMPLOYEES e, DEPARTMENTS dWHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID;In the statement, which capabilities of a SELECT statement are performed?（）

    A.selection, projection, join

    B.difference, projection, join

    C.selection, intersection, join

    D.intersection, projection, join

    E.difference, projection, product


    参考答案：A

  • 第15题：

    Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables.Evaluate the SQL statement:SELECT *FROM ordersWHERE cust_id = (SELECT cust_idFROM customersWHERE cust_name = ‘Smith‘);What is the result when the query is executed?（）

    A.A

    B.B

    C.C

    D.D

    E.E


    参考答案：A

  • 第16题：

    Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）

    • A、17000.00
    • B、17000*****
    • C、****170.00
    • D、**17000.00
    • E、an error statement

    正确答案:E

  • 第17题：

    Evaluate the SQL statement: SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual; What will be displayed?（）

    • A、0
    • B、1
    • C、0.00
    • D、An error statement

    正确答案:A

  • 第18题：

    Evaluate the SQL statement: SELECT ROUND(45.953, -1), TRUNC(45.936, 2) FROM dual; Which values are displayed? （）

    • A、46 and 45
    • B、46 and 45.93
    • C、50 and 45.93
    • D、50 and 45.9
    • E、45 and 45.93
    • F、45.95 and 45.93

    正确答案:C

  • 第19题：

    单选题
    Evaluate the SQL statement: SELECT LPAD(salary,10,*) FROM EMP WHERE EMP_ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）
    A

    17000.00

    B

    17000*****

    C

    ****170.00

    D

    **17000.00

    E

    an error statement


    正确答案： C
    解析： 暂无解析

  • 第20题：

    单选题
    View the Exhibit and examine the structure of the ORDERS and ORDERJTEMS tables.  Evaluate the following SQL statement：   SELECT oi.order_id， product_jd， order_date   FROM order_items oi JOIN orders o   USING （order_id）；   Which statement is true regarding the execution of this SQL statement？（）
    A

     The statement would not execute because table aliases are not allowed in the JOIN clause.

    B

     The statement would not execute because the table alias prefix is not used in the USING clause.

    C

     The statement would not execute because all the columns in the SELECT clause are not prefixed with table aliases.

    D

     The statement would not execute because the column part of the USING clause cannot have a qualifier in the SELECT list.


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Evaluate this SQL statement: SELECT e.employee_id, (.15* e.salary) + (.5 * e.commission_pct) + (s.sales_amount * (.35 * e.bonus)) AS CALC_VALUE FROM employees e, sales s WHERE e.employee_id = s.emp_id; What will happen if you remove all the parentheses from the calculation?（）
    A

    The value displayed in the CALC_VALUE column will be lower.

    B

    The value displayed in the CALC_VALUE column will be higher.

    C

    There will be no difference in the value displayed in the CALC_VALUE column.

    D

    An error will be reported.


    正确答案： C
    解析： 暂无解析

  • 第22题：

    单选题
    Evaluate the SQL statement: SELECT ROUND(TRUNC(MOD(1600,10),-1),2) FROM dual; What will be displayed?（）
    A

    0

    B

    1

    C

    0.00

    D

    An error statement


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Evaluate the SQL statement: SELECT LPAD (salary,10,*) FROM EMP WHERE EMP _ ID = 1001; If the employee with the EMP_ID 1001 has a salary of 17000, what is displayed?（）
    A

    17000.00

    B

    17000*****

    C

    ****170.00

    D

    **17000.00

    E

    an error statement


    正确答案： A
    解析： 暂无解析

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