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Oracle MySQL 8.0 Database Developer Sample Questions (Q41-Q46):

Examine the employee table structure:

Which set of statements immediately returns empname for a given emp_id by using a parameterized prepare statement?


  • A. Option D
  • B. Option A
  • C. Option B
  • D. Option C

Answer: C

Which statement is true about the show errors command?

  • A. It displays errors messages only, since the start time of the current session.
  • B. It displays errors messages only, since the server last restarted.
  • C. It displays the total number of errors, warnings, and notes since the beginning of the current session.
  • D. It cannot display information for more than max_errot_count server system variable setting.
  • E. It displays the total number of errors, warnings, and notes since the server last restarted.
  • F. It displays similar diagnostics results as get diagnostics.

Answer: C

The variables c and d are declared as integer types.
Examine these initialization statements with placeholder value <p1>, which execute successfully:
Now, examine this loop which executes successfully:

Which loop results in the same value of d for all valid values of <p1>?



  • A. Option A
  • B. Option D
  • C. Option B
  • D. Option C

Answer: A

Examine this event's metadata:

Now examine this command:
DROP USER 'userl'e'localhost';
Which effect will the command have on the event?

  • A. The event is not scheduled and will no longer execute. The system will log an error.
  • B. The event is scheduled but will no longer execute. The system will log an error.
  • C. The event will be dropped without an error or warning.
  • D. The event is scheduled and executed but fails. The system will log an error.

Answer: B

Examine the content of the employee table:

Now examine this PHP script:

Finally examine this desired output:

  • B. $options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;
  • C. $options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;
  • D. $options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;

Answer: B


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