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#SQL.
5 posts filed under this topic.
Cheatsheet 8 min read
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.
Vishnu Damwala
HowTo 6 min read
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.
Vishnu Damwala
SQL 3 min read
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.
Vishnu Damwala
SQL 1 min read
HackerRank SQL Practice Solutions
Solutions to common SQL practice problems on HackerRank.
Vishnu Damwala
SQL 2 min read
SQL - CREATE TABLE Statement
A tutorial for creating database table with SQL
Vishnu Damwala