sql Archives - Page 3 of 4

PostgreSQL Stored Procedures and Triggers: Stop Leaking Your Business Logic

April 30, 2026

Stop duplicating business logic across microservices. Learn how to use PostgreSQL Stored Procedures and Triggers to centralize your rules and slash API latency.

Database

PostgreSQL JSONB: Schema Flexibility Without the NoSQL Headache

April 27, 2026

PostgreSQL JSONB offers the best of both worlds: relational integrity and NoSQL flexibility. Learn how to implement it, index it for speed, and avoid common production pitfalls.

Database

Mastering DuckDB: The ‘SQLite for Analytics’ That’s Replacing Pandas

April 22, 2026

Is Pandas crashing your machine? Discover how DuckDB, a high-performance analytical database, lets you run lightning-fast SQL queries on massive local datasets with minimal memory usage.

Database

PostgreSQL Multi-tenancy: Choosing Between Schemas and RLS for Your SaaS

April 20, 2026

How do you ensure data isolation in a SaaS app? We compare PostgreSQL Schema-based isolation and Row-Level Security (RLS) with concrete examples and performance tips.

Database

Beyond Basic Queries: Mastering SQL Window Functions for Real-World Analytics

April 20, 2026

Upgrade your SQL skills beyond basic joins. Discover how Window Functions like RANK, LAG, and rolling averages can transform your data analysis and make your reports run 10x faster.

Database

Stop Over-Engineering: High-Performance PostgreSQL Search without Elasticsearch

April 20, 2026

Is Elasticsearch overkill for your app? Learn how we achieved sub-100ms search on 1.2M rows using PostgreSQL's native GIN indexes and tsvector.

Database

Recursive CTE in SQL: Handling Tree and Hierarchy Data in PostgreSQL and MySQL

April 18, 2026

Recursive CTEs let you query hierarchical data — org charts, category trees, comment threads — in a single SQL statement, without N+1 queries. This guide covers the pattern in PostgreSQL and MySQL 8.0+ with practical examples and performance tips.

Database

Scaling PostgreSQL to Billions of Rows: A Practical Guide to Partitioning

April 12, 2026

Scale your PostgreSQL database effectively. This guide covers range, list, and hash partitioning with practical code examples and automation strategies for billion-row tables.

Database

Managing Database Transactions in SQL: Ensuring Data Consistency and Integrity

April 8, 2026

Database transactions are the mechanism that keeps your data consistent when multiple SQL statements need to succeed or fail together. This guide covers ACID properties, COMMIT/ROLLBACK, SAVEPOINTs, isolation levels, and practical patterns to avoid data corruption in production.

Database

Database Normalization: From ‘God Tables’ to Clean Architecture (1NF to 3NF)

March 31, 2026

Transform messy 'God Tables' into efficient database schemas. Learn the practical steps to reach 1NF, 2NF, and 3NF with SQL examples and real-world trade-offs.