#Database.
8 posts filed under this topic.
PostgreSQL Cheat Sheet: SQL, Indexes, EXPLAIN & psql
Complete PostgreSQL reference — psql commands, CRUD queries, joins, indexes, EXPLAIN ANALYZE, CTEs, window functions, JSONB operators, and admin queries.
How to Debug a Slow SQL Query in PostgreSQL
Step-by-step: find slow queries with pg_stat_statements, read EXPLAIN ANALYZE output, identify missing indexes, fix N+1 queries, and diagnose lock contention.
How to Run PostgreSQL Locally with Docker
Run a full PostgreSQL database locally in under 2 minutes using Docker — with persistent volumes, docker-compose setup, GUI client access, and dump/restore commands.
MySQL - List all Databases
In this article, you will see how to retrieve list of databases with MySQL.
Introduction to SQL
In this article we look into intro about SQL aka **Structured Query Language**. Used by numerous big giant tech companies & by widely popular applications.
HackerRank SQL Practice Solutions
Solutions to common SQL practice problems on HackerRank.
SQL - CREATE TABLE Statement
A tutorial for creating database table with SQL
How to allow remote access to MySQL database server
How to allow remote access to MySQL database server