When I began work with SQL Server, I used to run a single Windows server with a single instance of SQL Server 2000. I used this instance to test code and configurations separate from my employer’s servers. It helped me verify if a change could help and by how much it could help. That single…
Tag: SQL Server
SQL Server to Databricks Profiler
Recently I had a client that expressed interest in migrating their data warehouse from Azure SQL DB to Databricks. They weren’t looking to move due to any performance issues in Azure SQL DB. They were running on the Hyperscale offering. They were looking to share a common data architecture between their data warehouse and data…
High-level Databricks Compute
Last time, I compared SQL Server storage to Databricks storage. This time, let’s compare SQL Server compute to Databricks compute. How SQL Server Processes a Query When you submit your workload to SQL Server, the engine will first parse it to ensure it’s syntactically correct. If it’s not, then it fails and returns right away….
High-level Databricks Storage
Understanding how Databricks works with storage can go a long way toward improving your use of Databricks. Storage In SQL Server, we store our data in two highly structured file types. The first type of file is a data file; these have an extension of MDF or NDF. You get one MDF per database, but…