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Database Transaction Isolation Levels: Dirty, Non-repeatable & Phantom Reads
Database transaction isolation levels are a critical aspect of building reliable backend systems. When multiple transactions execute simultaneously, several anomalies can emerge that threaten data integrity. These anomalies—dirty reads, non-repeatable reads, and phantom…
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Log-Based CDC Transaction Log Mining
Log-based CDC transaction log mining enables real-time data replication without intrusive polling. It reads a database’s write-ahead log or transaction log to capture changes at source. Consequently, engineers avoid table scans and guarantee…
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Command-Query Responsibility Segregation (CQRS):
Command-Query Responsibility Segregation (CQRS) is a design pattern in software architecture that separates read and write operations into different models. This post will delve into the technical aspects of CQRS and its implementation…
