Schema size refers to the total amount of space allocated to a schema in a database. It includes the size of all the objects within the schema, such as tables, indexes, and materialized views. Monitoring schema size is important for performance tuning and capacity planning. A large schema size can impact performance by consuming excessive storage space and slowing down queries. Regularly checking the schema size can help identify potential issues and take appropriate actions to optimize the database.
There are several ways to check the schema size in Oracle. One method is to use the following SQL query: