In this course, you'll learn:
Understanding high availability and its importance
- Exploring different HA architectures and their benefits
- Identifying potential points of failure in PostgreSQL setups
Setting up replication in PostgreSQL
- Streaming replication for continuous data synchronization
- Configuring and managing replication slots
- Monitoring replication lag and performance
- Logical replication for selective data syncing
- Creating publication and subscription objects
- Handling conflicts in logical replication
Recursive Queries for Hierarchical Data
- Understanding recursive queries with recursive CTEs
- Managing hierarchical data structures in PostgreSQL
Common Table Expressions (CTEs) and Window Functions
- Using CTEs for simplifying complex queries
- Leveraging window functions for advanced analytical queries
- ROW_NUMBER(), RANK(), DENSE_RANK(), etc.
Utilizing Advanced Indexing Techniques
- Multi-column indexes and their advantages
- Partial and covering indexes for specific use cases
PostgreSQL Internals and Query Optimization
- Understanding query planning and execution process in PostgreSQL
- Analyzing query plans using EXPLAIN and EXPLAIN ANALYZE
- Using pg_stat_statements for query performance analysis
Performance Tuning and Optimization
- Identifying and resolving performance bottlenecks
- Query optimization techniques (indexing, denormalization, etc.)
- Optimizing configuration parameters for specific workloads
Monitoring and Alerting
- Implementing proactive monitoring with tools like pg_stat_monitor
- Setting up alerts for critical events and performance metrics
Security and Advanced Administration
- Managing database roles, permissions, and access control
- Implementing Row-Level Security (RLS) for fine-grained access control
- Enabling SSL/TLS for secure connections and data encryption
- Managing certificates and encryption keys
Backup and Recovery Strategies
- Implementing regular backups with pg_dump and pg_dumpall
- Configuring continuous archiving and Point-in-Time Recovery (PITR)
- Performing backups in parallel for faster restores
Exploring PostgreSQL Internals for Advanced Administration
- Understanding system catalogs and their importance
- Performing advanced administrative tasks using internal mechanisms
