Introduction to Databases: A Beginner's Guide to Understanding Data Management
Learn what databases are, why they matter, core concepts, SQL examples, use cases, best practices, and FAQs in this comprehensive beginner's guide.
Tutorials under 'Database Optimization'
Filtering Data Using WHERE in SQL: A Complete Guide to Precise Queries
Learn how to use the WHERE clause in SQL to filter data effectively with syntax, examples, optimization tips, and best practices for PostgreSQL, MySQL, and Oracle
SQL Joins – Advanced and Self Joins Explained with Examples
Learn advanced SQL join techniques including self joins, cross joins, and complex multi-table joins with examples, use cases, and optimization tips.
Subqueries in SQL: A Comprehensive Guide to Nested Queries
Learn SQL subqueries with examples, use cases, optimization tips, and best practices for PostgreSQL, MySQL, and Oracle to write efficient nested queries
Combining Results with UNION and INTERSECT in SQL: A Complete Guide
Learn how to combine results using UNION and INTERSECT in SQL with syntax, examples, best practices, and performance tips for PostgreSQL, MySQL, and Oracle.
Views in SQL: A Comprehensive Guide to Virtual Tables
Learn what SQL views are, how to create and use them with examples, best practices, real-world use cases, and optimization tips for PostgreSQL, MySQL, and Oracle
Stored Procedures and Functions in SQL: A Comprehensive Guide
Learn SQL stored procedures and functions with examples, best practices, and real-world use cases to optimize database logic for PostgreSQL, MySQL, and Oracle.
Triggers and Event-Driven Actions in SQL: A Comprehensive Guide
Learn SQL triggers and event-driven actions with examples, best practices, use cases, and performance tips for PostgreSQL, MySQL, and Oracle databases