PostgreSQL DBA

Index:

• Introduction to PostgreSQL:

• Overview of PostgreSQL features, architecture, and benefits.
• Comparison with other relational database systems (MySQL, Oracle).
• Understanding PostgreSQL versions and community support.

• Installation and Configuration:

• Installing PostgreSQL on various operating systems (Linux, Windows, macOS).
• Configuring PostgreSQL server settings and parameters.
• Setting up authentication methods and securing PostgreSQL installations.

• PostgreSQL Database Design:

• Principles of relational database design (tables, columns, indexes).
• Creating and managing PostgreSQL databases and schemas.
• Implementing normalization techniques and data integrity constraints.

• Data Manipulation and Querying:

• Writing SQL queries in PostgreSQL (SELECT, INSERT, UPDATE, DELETE).
• Using advanced SQL features (JOINs, subqueries, window functions).
• Optimizing query performance using indexes and query plans.

• PostgreSQL Administration Tasks:

• Managing PostgreSQL roles, users, and permissions.
• Backup and recovery strategies: using pg_dump, pg_basebackup, and WAL archiving.
• Implementing PITR (Point-in-Time Recovery) and continuous backup solutions.

• Performance Tuning and Optimization:

• Monitoring PostgreSQL performance metrics (CPU, memory, disk usage).
• Identifying and resolving performance bottlenecks (query optimization, indexing).
• Configuring PostgreSQL server parameters for optimal performance.

• High Availability and Replication:

• Configuring PostgreSQL streaming replication (synchronous and asynchronous).
• Implementing PostgreSQL High Availability (HA) solutions with tools like Patroni or pgpool-II.
• Handling failover and ensuring data consistency in replication setups.

• PostgreSQL Security Best Practices:

• Implementing database security measures (authentication, encryption).
• Securing data at rest and in transit (SSL/TLS certificates).
• Auditing and logging PostgreSQL activities for compliance.

• Backup and Disaster Recovery:

• Creating and testing backup and restore procedures.
• Developing disaster recovery plans for PostgreSQL databases.
• Using replication and failover strategies for data availability.

• Advanced PostgreSQL Features:

• Utilizing advanced PostgreSQL features (JSONB data type, full-text search, extensions).
• Integrating PostgreSQL with other applications and data sources.
• Troubleshooting common PostgreSQL issues and errors.