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1Z0-909 Exam Questions & Answers
MySQL 8.0 Database Developer • Oracle
65 Questions
90 min
Updated Sep 2026
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Sample 1Z0-909 Questions
Practice with real exam-style questions, each with the verified correct answer and explanation.
Q1
MultipleChoice
Which statement is true about the show errors command?
Correct Answer: A
Q2
MultipleChoice
Examine this statement and output:
You execute this statement:
SELECT JSON_SEARCH(product,'one','IT') FROM fshop ;
What is the output?
Correct Answer: A
Q3
MultipleChoice
Which two differences exist between the timestamp and date time data types?
Correct Answer: B, D
Q4
MultipleChoice
Examine these commands and output:
Which is true about the execution of the insert statement?
Correct Answer: D
Q5
MultipleChoice
Which two are true about indexes?
Correct Answer: B, D
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Unlock All 1Z0-909 QuestionsFrequently Asked Questions
The 1Z0-909 is Oracle's MySQL 8.0 Database Developer certification exam that validates your ability to develop and manage MySQL 8.0 databases. This certification demonstrates proficiency in SQL, database design, security, and performance optimization for MySQL environments.
The exam covers MySQL installation and configuration, SQL fundamentals, data types, creating and managing tables, working with indexes, transaction management, security and user privileges, JSON data handling, and performance tuning. It also includes topics on backup and recovery, replication, and MySQL 8.0 specific features.
The 1Z0-909 exam is 120 minutes (2 hours) in duration and contains approximately 60 multiple-choice questions. You need to achieve a passing score of around 65-70% to earn the certification, though the exact passing percentage may vary.
There are no strict formal prerequisites, but Oracle recommends having practical experience with MySQL database development and administration. Prior knowledge of SQL, database concepts, and hands-on experience with MySQL 8.0 is highly beneficial for success on this exam.
You can prepare by studying Oracle's official exam guide and study materials, taking practice exams, working with MySQL 8.0 in a lab environment, and reviewing documentation on MySQL features. Many candidates also find value in online courses, training books, and participating in study groups focused on MySQL database development.