Understand write-ahead logging

  • Module
  • 6 Units
Intermediate
Database Administrator
Azure Database for PostgreSQL

Azure Database for PostgreSQL is an ACID compliant database service. Write-ahead logging ensures changes are both atomic and durable. In this module, you learn how Azure Database for PostgreSQL implements write-ahead logging.

Learning objectives

After completing this module, you'll be able to:

  • Describe write-ahead logging.

  • Describe replication and logical decoding.

Prerequisites

  • Demonstrate an understanding of relational databases.

  • Demonstrate an understanding of basic SQL.