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 beginner tutorial
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 Data Types – Complete Beginner’s Guide
Learn all SQL data types with examples. Understand numeric, string, date/time, and special types in Oracle, MySQL, and SQL Server. Step-by-step beginner guide.