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The Oracle 1Z0-909 (MySQL 8.0 Database Developer) Certification Exam is a professional certification exam designed for database developers and administrators who want to validate their skills and knowledge in using MySQL 8.0. This exam is intended for individuals who have experience in developing and managing MySQL databases and want to showcase their expertise in this area. The exam is conducted by Oracle, a leading provider of enterprise software solutions and services.

The Oracle 1z1-909 exam is designed specifically for database developers who work with MySQL 8.0. The exam is intended to test the knowledge and skills required to design, develop, and maintain MySQL 8.0 databases. Passing this exam will demonstrate that the individual has the necessary expertise to work effectively with MySQL 8.0 databases.

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Oracle MySQL 8.0 Database Developer Sample Questions (Q36-Q41):

NEW QUESTION # 36
Examine these MySQL Shell statements:

What is the true about the attempts to add document to the collection?

  • A. First two documents are added, then mismatched field names cause a warning.
  • B. All documents are added without any error or warning.
  • C. First three documents are added, then different number of fields cause an error.
  • D. First two documents are added, then mismatched field names cause an error.
  • E. All documents are added and cause a warning.

Answer: E


NEW QUESTION # 37
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. Replace line 2 with Slink = mysql.connect {"localhost: 3306n, "username", "pas "schema") ;
  • B. Replace line 2 With: Slink = mysql_xdevapi\getSession
    ("mysqlx://username:[email protected]:3306","schema");
  • C. Install the PHP executable in the path used by the MySQL installation.
  • D. Enable the mysqli extension in the php.ini file.

Answer: D


NEW QUESTION # 38
Examine these statement which execute successfully:

Now, examine this desired output:

Which two queries will produce the out?
A)

B)


D)

E)

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

Answer: C,E


NEW QUESTION # 39
You are using buffered queries with PHP mysqli in a browser-based web application. Which three are true?

  • A. Buffered queries are enabled by default.
  • B. Results are sent to the calling PHP process for buffering.
  • C. Large results can have a negative impact on performance.
  • D. Buffered queries should be used on large tables when the result size is unknown.
  • E. Additional queries on the same session are blocked until the result set is released.
  • F. Buffered queries must be explicitly enabled using mysqliuseresult.
  • G. Results are sent from the server to the browser for buffering.

Answer: C,D,F


NEW QUESTION # 40
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)

B)

C)

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

Answer: A


NEW QUESTION # 41
......

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