1Z0-909 Exam Question 16

Examine this statement which executes successfully:
SET @ir := 2;
Which query updates the value of @r to 0?
  • 1Z0-909 Exam Question 17

    Examine the Test.php script which is numbered for clarity, and its output:

    PHP Fatal error: Uncaught Error: call to underined function mysqli_connect () in Test.php:2 Which action will fix this error?
  • 1Z0-909 Exam Question 18

    Examine these statement which execute successfully:

    Now, examine this desired output:

    Which two queries will produce the out?
    A)

    B)


    D)

    E)
  • 1Z0-909 Exam Question 19

    Examine the statement which executes successfully:
    SET sql_mode=' NO_ENGINE_SUBSTITTJTION' ;
    You try to create a table with a storage engine that is not available. What will happen?
  • 1Z0-909 Exam Question 20

    You are using buffered queries with PHP mysqli in a browser-based web application. Which three are true?