Most Recent Oracle 1Z0-909 Exam Dumps

Prepare for the Oracle MySQL 8.0 Database Developer exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-909 exam and achieve success.

The questions for 1Z0-909 were last updated on Feb 18, 2025.

Viewing page 1 out of 13 pages.
Viewing questions 1-5 out of 65 questions

Get All 65 Questions & Answers

Question No. 1

Examine these my.cnf settings:

Examine this entry from /data/slow.log

Which option is also set in my.cnf?

Alog_queries_not_using_indexes

Blog__slow_admin_statements=1

Clog_queries_not_using_indexes=ON

Dlog_throttle_queries_not_using_indexes=100

Show Answer

Correct Answer: B

Question No. 2

Examine this statement and output:

You execute this statement:

SELECT JSON_SEARCH(product,'one','IT') FROM fshop ;

What is the output?

Aproduct->''$.varieties [4]. origin[1];;

B''$.varieties[4]. origin[1]''

Cproduct->varieties[3]. origin[0]''

D''$.varieties [3]. origin[0]''

Show Answer

Correct Answer: A

Question No. 3

The continent column in the country table contains no null values.

Examine this output:

AOption A

BOption B

COption C

DOption D

Show Answer

Correct Answer: A

Question No. 4

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?

AEnable the mysqli extension in the php.ini file.

BReplace line 2 with Slink = mysql.connect {'localhost: 3306n, 'username', 'pas 'schema') ;

CReplace line 2 With: Slink = mysql_xdevapi\getSession
('mysqlx://username:password@localhost:3306','schema');

DInstall the PHP executable in the path used by the MySQL installation.

Show Answer

Correct Answer: A

Question No. 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?

AThe select requires json_unquoteo in the where clause.

BThe virtual values in the name column must be accessed using functions.

CThe JSON datatype cannot be used in virtual columns.

DThe json_extract() function requires a length value that matches the field length in the schema.

ETable statistics must be updated to generate values for the name column.

Show Answer

Correct Answer: C

Unlock All Questions for Oracle 1Z0-909 Exam

Full Exam Access, Actual Exam Questions, Validated Answers, Anytime Anywhere, No Download Limits, No Practice Limits

Get All 65 Questions & Answers