Overview

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This course focuses on PostgreSQL's high availability and advanced administration techniques. In today's data-driven world, managing database reliability and performance is essential for businesses. You will develop key skills to handle critical aspects of PostgreSQL administration, such as backup and recovery, replication, troubleshooting, and migration. This practical knowledge enables you to ensure that your databases run smoothly, even in complex, mission-critical environments. This course combines theoretical knowledge with real-world scenarios to help you manage PostgreSQL environments effectively. You’ll learn how to optimize and troubleshoot PostgreSQL databases to meet performance and reliability goals. This course is designed for database administrators and system engineers with prior experience in PostgreSQL or database administration. A basic understanding of SQL and database systems will be beneficial. This course is part three of a three-course Specialization designed to provide a comprehensive learning pathway in this subject area. While it delivers standalone value and practical skills, learners seeking a more integrated and in-depth progression may benefit from completing the full Specialization.

Syllabus

Handling Backup and Recovery

This module introduces the essential concepts and practices for backing up and recovering PostgreSQL databases. Learners will explore strategies to ensure data safety and continuity, gaining practical skills to manage and restore database systems effectively.

Making Sense of Backups and Replication

This module guides learners through the essentials of PostgreSQL backup, recovery, and replication, including configuration, transaction log management, and failover strategies. You will explore both physical and logical replication, learn to optimize system availability, and implement best practices for data durability and disaster recovery.

Deciding on Useful Extensions

This module introduces key PostgreSQL extensions, focusing on their practical uses for database management and optimization. Learners will explore contrib modules, investigate caching with pg_buffercache, and analyze storage issues such as table bloat using pgstattuple. By the end, you'll be equipped to leverage extensions for enhanced database performance and diagnostics.

Troubleshooting PostgreSQL

This module guides learners through systematic approaches to diagnosing and resolving common PostgreSQL performance issues. You will explore techniques for identifying slow queries, interpreting log files, addressing commit log corruption, and managing database connections effectively. By the end, you'll be equipped with practical troubleshooting skills to optimize PostgreSQL deployments.

Migrating to PostgreSQL

This module guides learners through the process of migrating databases to PostgreSQL, highlighting common troubleshooting strategies and compatibility considerations. It covers key differences in SQL feature support, such as the FILTER clause, and provides practical insights for transitioning from Oracle to PostgreSQL.