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SQL Joins – Inner and Outer Joins Explained with Examples

Learn SQL INNER JOIN and OUTER JOIN with examples, use cases, performance tips, and best practices for PostgreSQL, MySQL, and Oracle relational databases

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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.

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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

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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.

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Transactions and ACID Properties in SQL: A Comprehensive Guide

Learn SQL transactions and ACID properties with examples, best practices, and real-world use cases to ensure data consistency and reliability in databases

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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

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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.

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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

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Database Normalization: Understanding 1NF, 2NF, and 3NF

Learn database normalization with 1NF, 2NF, and 3NF explained using examples, best practices, and performance tips for PostgreSQL, MySQL, and Oracle

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Denormalization in Databases: When and How to Use It Effectively

Learn database denormalization with examples, use cases, benefits, and trade-offs. Understand when to denormalize for performance and scalability in SQL databases

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