Database
Advanced open-source relational database featuring complex queries and JSON document support
0 projects using PostgreSQL
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Demystifying ACID transactions: Read Uncommitted, Read Committed, Repeatable Read, Serializable, and Multi-Version Concurrency Control (MVCC).
Analyzing O(N) table scan degradation with OFFSET/LIMIT vs O(1) indexed lookups with Keyset/Cursor-based pagination in infinite feeds.
Solving double-booking and stock race conditions: Optimistic Locking with version columns, Pessimistic Locking (SELECT FOR UPDATE), and Redis Redlock.
Preventing orphaned users and lost verification emails during network outages using the Transactional Outbox Pattern and asynchronous publishing.
Comparing Database-per-Tenant, Schema-per-Tenant, and Shared Database with Tenant Discriminator: connection pooling, tenant isolation, and migrations.
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Last updated: August 19, 2026