This post provides straightforward SQL statements designed to help you accurately determine the size of your DB2 database. Understanding the size of your database is essential for effective capacity planning, performance tuning, and managing storage resources efficiently. By applying these SQL statements, you will be able to gather valuable information on the space utilized by your DB2 database, enabling informed decisions for maintenance and scalability. Whether you’re conducting routine checks or preparing for an upgrade, these SQL statements offer a reliable method for assessing your database’s footprint.