nerdexam
Oracle

1Z0-082 · Question #14

Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY. Only the EMPLOYEE_ID column is indexed. Rows exist for employees 100 and 200. Examine this statement: Which two statements…

The correct answer is A. Employee 100 will have SALARY set to the same value as the SALARY of employee 200 B. Employee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100. See the full explanation below for the reasoning.

SQL and PL/SQL

Question

Table EMPLOYEES contains columns including EMPLOYEE_ID, JOB_ID and SALARY. Only the EMPLOYEE_ID column is indexed. Rows exist for employees 100 and 200. Examine this statement:

Which two statements are true? (Choose two.)

Exhibit

1Z0-082 question #14 exhibit

Options

  • AEmployee 100 will have SALARY set to the same value as the SALARY of employee 200
  • BEmployee 200 will have JOB_ID set to the same value as the JOB_ID of employee 100
  • CEmployee 200 will have SALARY set to the same value as the SALARY of employee 100
  • DEmployee 100 will have JOB_ID set to the same value as the JOB_ID of employee 200
  • EEmployees 100 and 200 will have the same JOB_ID as before the update command
  • FEmployees 100 and 200 will have the same SALARY as before the update command

How the community answered

(18 responses)
  • A
    83% (15)
  • C
    6% (1)
  • E
    6% (1)
  • F
    6% (1)

Topics

#UPDATE subquery#correlated subquery#DML#row swapping

Community Discussion

No community discussion yet for this question.

Full 1Z0-082 Practice