Sql Programming Tutorials, Guides & Best Practices

Transactions and concurrency control are critical concepts in database management, ensuring data integrity and consistency, especially in multi-user environments. This tutorial will guide you through understanding transactions, their properties, and how to manage concurrency in MySQL.

• A basic understanding of SQL and MySQL operations.
• Access to a MySQL server for executing sample queries.

Execute the following query, replacing your_database_name with the name of your database:

SELECT table_schema AS "Database",
       ROUND(SUM(data_length + index_length) / 1024 / 1024, 2) AS "Size (MB)"
FROM information_schema.tables
WHERE table_schema = 'your_database_name'
GROUP BY table_schema;