SQL Interview: 85 Instant file initalization (IFI)
This is a post in the SQL Interview series. These aren’t trick or gotcha questions, they’re just questions designed to scope out a candidate’s knowledge around SQL Server and Azure SQL Database.
Section: Administration Level: Medium
Question:
You are managing a SQL Server 2022 server and have enabled Instant File Initialization (IFI).
Which files will this apply to?
- Data (MDF and NDF) files only
- Transaction log files only
- Both data and transaction log files
Answer:
2025-10-11