Tag: PostgreSQL
6 posts
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[2026] SQL Query Optimization Practical Complete Guide | Index & Execution Plan
Index design, EXPLAIN, and common bottlenecks in N+1, joins, and subqueries. Practical guide to reducing slow queries. Focused on SQL, query optimizatio...
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[2026] Docker Compose: Node API, PostgreSQL, Redis in One Stack | Production Template
Production-style Docker Compose for Node.js: define API, PostgreSQL, and Redis in one stack with docker-compose.yml, env, health checks, volumes, and re...
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[2026] PostgreSQL vs MySQL: Schema, Transactions, Queries & Operations | Practical Comparison
PostgreSQL vs MySQL compared for schema flexibility, ACID, SQL features, replication, and ops—plus Node.js–friendly criteria to pick the right RDBMS for...
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[2026] Sequelize ORM Complete Guide for Node.js | PostgreSQL, Models & Migrations
Sequelize ORM with Node.js: models, associations, PostgreSQL and MySQL, connection pools, transactions, migrations, and Express REST patterns—plus raw S...
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[2026] Node.js Database Integration: MongoDB, PostgreSQL, and MySQL
Connect Node.js to MongoDB (Mongoose), PostgreSQL (pg, Sequelize), and MySQL (mysql2): connection pools, CRUD, transactions, REST examples, indexes, N+1...
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[2026] Python Databases | SQLite, PostgreSQL, and ORMs Explained
Work with databases in Python: sqlite3, SQLAlchemy models, CRUD, relationships, and a Flask + SQLAlchemy API example—SQLite vs PostgreSQL and ORM trade-...