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Home  /  Oracle Technical Certification  /  MySQL 8.0 Database Developer
🐬 MySQL Specialist · 1Z0-909

MySQL 8.0 Database
Developer (1Z0-909)

Become an Oracle Certified Professional MySQL 8.0 Database Developer — master connectors and APIs, data-driven applications, schema objects, transactions, query optimization, stored programs and JSON document store development.

Connectors & APIs Schema Objects Transactions Query Optimization Stored Programs JSON & X DevAPI
Enroll Now
Connectors & Data-Driven AppsAPIs, prepared statements & reporting
Schema Objects & TransactionsViews, data types & isolation levels
Stored ProgramsRoutines, triggers & scheduled events
JSON & Document StoreNoSQL, X DevAPI & MySQL Shell
65
Exam Questions
90
Minutes Duration
62%
Passing Score
Online
Proctored Exam
Why It's Trending

MySQL Development Skills Remain in High Demand

As applications increasingly rely on MySQL for transactional data, document storage and APIs, developers fluent in MySQL 8.0 features are essential to building robust, scalable applications.

Trending
#1
Most Popular Open Source Database
MySQL 8.0 underpins web, mobile and enterprise applications, making developer skills highly transferable.
18K+
MySQL Developer Roles Globally
Application developers skilled in MySQL schema design, transactions and stored programs are sought across industries.
Trending
OCP
Recognized Oracle Certified Professional
1Z0-909 grants the OCP MySQL 8.0 Database Developer credential, validating practical development expertise.
+18%
Higher Pay for MySQL Developers
Certified MySQL developers earn a competitive premium for query optimization and JSON/document store expertise.
Certification Path

Your Path into MySQL Application Development

Start Here
SQL & Database Basics
Relational Database Concepts
Foundation
MySQL 8.0 Database Administrator
1Z0-908 OCP Certification
You Are Here
MySQL 8.0 Database Developer
1Z0-909 OCP Certification
Advanced
MySQL HeatWave
1Z0-915 Implementation Associate
Specialize
Oracle Cloud Infrastructure
MySQL Database Service on OCI

Exam 1Z0-909 is an Oracle Certified Professional credential validating MySQL 8.0 application development expertise — complementing the MySQL DBA certification and forming a strong base for MySQL HeatWave specialization.

Exam Overview

Exam 1Z0-909: MySQL 8.0 Database Developer

Language
English
Duration
90 Minutes
Total Questions
65
Passing Score
62%
Format
Multiple Choice, Proctored Online
Delivery
Proctored Online

A MySQL 8.0 Database Developer Oracle Certified Professional credential acknowledges that the candidate has the required knowledge and skills to use connectors and APIs and how to support data-driven applications using the MySQL database. This certification shows that the professional can design, develop, and maintain MySQL schema objects and control transactions in SQL and applications. It also demonstrates the mastery of the professional on how to optimize query performance, create and execute stored programs, and manage JSON and document store.

Course Content

Complete MySQL 8.0 Developer Curriculum

Click any module to expand and explore the topics covered in detail.

01
Connectors and APIs
5 Topics
Choose between connectors for a given application
Demonstrate connector use, management and configuration
Retrieve data from the database by using a connector
Handle special values
Secure credentials and connections
02
Data-driven Applications
6 Topics
Use prepared statements
Set SQL Modes to change MySQL behavior
Handle and interpret errors and warnings
Display query results
Aggregate and summarize data
Advanced Report Generation
03
MySQL Schema Objects and Data
5 Topics
Design, create, and alter views
Store and process string data
Store and process numeric data
Store and process temporal data
Store and process spatial data
04
Transactions
4 Topics
Control transactions in SQL
Control transactions in applications
Resolve consistency problems with isolation levels
Understand locking mechanisms within MySQL
05
Query Optimization
3 Topics
Use indexes for optimization
Analyze queries for optimization
Rewrite queries for optimization
06
MySQL Stored Programs
4 Topics
Create and execute stored routines
Explain the programming constructs used in stored routines
Create and execute triggers
Schedule database operations
07
JSON and Document Store
5 Topics
Create and store JSON documents
Process data in JSON documents
Explain application development with NoSQL and XDevAPI
Create and access a document store
Use MySQL Shell to access document stores
FAQs

Frequently Asked Questions

Who should take the 1Z0-909 exam?
Application developers and software engineers who design, develop and maintain applications that interact with MySQL 8.0 databases.
Do I need prerequisites for this exam?
There is no mandatory prerequisite, but hands-on experience with SQL development, transactions and connectors/APIs is strongly recommended.
Is the 1Z0-909 exam proctored?
Yes. The exam is delivered as a proctored online exam, monitored to validate candidate identity and exam integrity.
What topics carry the most weight in this exam?
MySQL Schema Objects and Data, Data-driven Applications and JSON & Document Store form a large portion of the exam, along with Transactions and Stored Programs.
What can I pursue after 1Z0-909?
This certification pairs well with the MySQL 8.0 Database Administrator (1Z0-908) certification and forms a strong base for MySQL HeatWave Implementation Associate (1Z0-915).
How is the exam scored?
The exam consists of 65 multiple choice questions to be completed in 90 minutes, with a passing score of 62%.
Get Started

Become an Oracle Certified MySQL 8.0 Database Developer

Join Zetlan Technologies' MySQL 8.0 Database Developer course and gain the skills needed to design schema objects, optimize queries and build JSON-driven applications on MySQL.

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