PostgreSQL WHERE Clause Explained (Beginner Guide)

Published: 25 February 2026
on channel: Interview Mentor App

Learn how to filter rows in PostgreSQL using the WHERE clause. This video covers the basic syntax, all six comparison operators (=, ‹, ›, ‹=, ›=, ‹›), logical operators (AND, OR, NOT), and shorthand operators like IN, BETWEEN, LIKE, and IS NULL — everything you need to write precise SQL queries from day one.

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