What is TempDB and best practice for TempDB TempDB is the system database and it is per instance. It is a common and shared by all other databases. All the temporary activities are done here and yes, definitely the TempDB will become full and occupy more space depends on the temporary tasks, which we are running. There are many activities can happen in tempDB. Best practice, create a TempDB in separate disk with the estimated initial file size, those are old days and now most of us using disk array. The spindles and HDDS/SSDs are striped through RAID and shared across LUNs and pools, check with your infra team about the…