1Z0-909 試験問題を無料オンラインアクセス

Examine this statement that execute successfully in an interactive session:

The user running this session now goes to lunch for an hour.
Now, examine these statements executed independently in separate sessions while Session 0 is still active:

How many of them will complete while Session 0 is still active?

• A.2
• B.0
• C.3
• D.1
• E.4
• F.5

Examine this statement which executes successfully:

The table is populated with a range of values including jobs for Robert, John, and Katie. Now, examine this statement and output:

Why is an empty result set returned?

• A.The virtual values in the name column must be accessed using functions.
• B.Table statistics must be updated to generate values for the name column.
• C.The select requires json_unquoteo in the where clause.
• D.The JSON datatype cannot be used in virtual columns.
• E.The json_extract() function requires a length value that matches the field length in the schema.

Examine the contents of these tables:

Now examine the expected results for a user with privileges to access the table:

Which query returns the expected results?
A)

B)

C)

D)

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

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?

• A.Install the PHP executable in the path used by the MySQL installation.
• B.Enable the mysqli extension in the php.ini file.
• C.Replace line 2 With: Slink = mysql_xdevapi\getSession
  ("mysqlx://username:password@localhost:3306","schema");
• D.Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;

Examine this statement and output:

Now, examine these desired output values:

Which statement updates the table data as require

• A.UPDATE exam_result SET score=ROUND(score,1);
• B.UPDATE exam_result SET score=TRUNCATE
• C.UPDATE exam_result SET score=CEIL(ROUND(score,1));
• D.UPDATE exam_result SET score=CEIL(TRUNCATE(sco
• E.UPDATE examresult SET score=ROUND(CEIL(score
• F.UPDATE exam_result SET score=TRUNCATE(score,1);