Database Anomalies
Everything on SkillVeris tagged Database Anomalies — collected across the glossary, study notes, blog, and cheat sheets.
3 resources across 1 library
Interview Questions(3)
What is Normalization in Database?
Normalization is the process of organizing data in a database to reduce redundancy, avoid anomalies, and improve data integrity.
What is the Write Skew Anomaly?
Write skew is a concurrency anomaly where two transactions each read overlapping data, independently decide their own write is safe based on what they read, an…
What is the Lost Update Problem in Databases?
The lost update problem occurs when two transactions read the same row, both compute a new value based on that same original read, and the second transaction’s…