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Category: SQL

Practical SQL and PostgreSQL guides, from data cleanup to performance optimization. Written from real projects, not textbooks.

PostgreSQL String Aggregation: Techniques and Use Cases
PostgreSQL json_build_object: Creating JSON Objects from SQL Queries
Fundamental SQL Commands for Database Management | Practical Example
Efficient Data Retrieval with PostgreSQL jsonb_array_elements
PostgreSQL Function for Cleaning and Updating Data
Navigating the Database: A Beginner’s Journey
Unique Identifiers: Auto-Generating UUIDs in PostgreSQL

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