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mysql
2 articles across 2 sub-topics
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Acid
1 article

ACID Properties Explained: How SQL Databases Guarantee Atomicity, Consistency, Isolation, and Durability
TLDR: ACID is four orthogonal guarantees that every SQL transaction must provide. Atomicity says all-or-nothing: PostgreSQL implements it via WAL rollback; MySQL InnoDB via undo logs. Consistency says constraints always hold: the database rejects any...
•36 min read
Sub-topic
Cdc
1 article
How CDC Works Across Databases: PostgreSQL, MySQL, MongoDB, and Beyond
A data engineering team at a fintech company built what they believed was a robust Change Data Capture pipeline: three source databases (PostgreSQL, MongoDB, and Cassandra), Debezium connectors wired to Kafka, and a downstream data warehouse receivin...
•33 min read
