1. Relational Databases (RDBMS / SQL)
Strict ACID compliance, complex foreign-key joins, structured schema governance, and deterministic transactional safety.
FinTech Ledger, E-Commerce Order Engines, ERP, Core Banking, SaaS Multi-tenancy
- ACID Guarantees with Serializable Isolation Levels
- Advanced Indexing (B-Tree, BRIN, GIN, GiST, Partial & Expression Indexes)
- Read-Replica Horizontal Scaling & Connection Pooling (PgBouncer)
- Complex CTEs, Window Functions & Stored Procedures