SQL Server Consultants

https://www.linkedin.com/pulse/partitioning-helps-only-when-optimizer-knows-where-look-khan-orntc

Partitioning Helps Only When the Optimizer Knows Where to Look Table partitioning in SQL Server is primarily a manageability feature, supporting sliding windows, targeted index maintenance, and partition-level compression. Its performance impact, however, depends entirely on how queries interact with the partition key.