Steve Stedman helps us understand a DBCC command:
DBCC CHECKALLOC is a database console command (DBCC) in Microsoft SQL Server that can be used to check the allocation and structural integrity of the data and index pages in a database. Checking the allocation and structural integrity of the pages can be useful for identifying and correcting issues with the database that could cause errors or performance issues.
Read on to learn more and see a couple examples of it in action.