Extracting 4-Digit Numbers from a String Column Using Regular Expressions in SQL

Retrieving the Last Updated Information in Each Row: A Deep Dive into Timestamps and Date Functions

Working with JSON Data in SQL Queries: Mastering JSON_ARRAYAGG, JSON_OBJECT, and Data Transformation Techniques for Efficient Query Execution

SQL Query: Checking if Two Users Like Each Other

How to Use pt-archiver to Manage Large MySQL Databases Despite Its Limitations in Handling Complex Queries and Joins

Resolving MySQL's GROUP BY Clause: A Step-by-Step Guide for Aggregating Non-Grouped Columns

Understanding Non-Relational Tables and Joins in MySQL: A Practical Guide to Joining Without Common Columns

Querying for Last Logout Time: Uncovering the Pitfalls of Date Grouping and Aggregation in Database Queries

Optimizing SQL Query to Count Non-Client Views and Client Views Based on User and Business IDs

Understanding MySQL Select Field Determines Order of Result Set: The Hidden Pitfall of Inconsistent Ordering