SQL Operators
Learn SQL Operators in detail – Arithmetic, Comparison, Logical, and Bitwise operators with syntax and examples.
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Beginner SQL Tutorial
Start your SQL journey with RetailCoder.com! Learn SQL basics, data types, CRUD operations, SELECT, WHERE, ORDER BY, and more. Structured, beginner-friendly lessons.
SQL NULL Handling
Learn how to handle NULL values in SQL using IS NULL and IS NOT NULL. Represents a missing or unknown value.
SQL LIKE, IN, BETWEEN
Learn SQL LIKE, IN, and BETWEEN with examples. Understand how to filter data using pattern matching, sets, and ranges in SQL.
SQL DISTINCT
Learn SQL DISTINCT keyword with examples. Understand how to remove duplicate values from query results in SQL.
SQL ORDER BY Clause
Learn SQL ORDER BY clause with examples. Understand how to sort query results in ascending or descending order.
SQL WHERE Clause
Learn SQL WHERE clause with examples. Understand how to filter data in SQL queries using conditions like =, >, <, BETWEEN, LIKE, and more.
SQL SELECT Statement Basics
Learn SQL SELECT statement basics with examples. Understand how to retrieve data from a table using SELECT, FROM, and WHERE clauses.
SQL INSERT, UPDATE, DELETE – Modify Data in Tables
Learn SQL INSERT, UPDATE, and DELETE statements with examples. Step-by-step guide to add, change, and remove data in SQL tables. Beginner-friendly tutorial.
SQL CREATE, ALTER, DROP – Table & Database
Learn SQL CREATE, ALTER, and DROP statements to create and modify databases and tables. Step-by-step guide with examples for beginners.