How many compute services does Azure Synapse have?
Azure Synapse provides five different compute services:
 1. Dedicated SQL Pools (previously known as "Synapse Data Warehouse"), 
 2. Serverless SQL Pools (i.e. a query service over the data lake), 
 3. Data Explorer Pools (for real-time & time series processing),
 4. Spark Pools (Microsoft's version of Spark), and
 5. Pipelines (a variant of ADF)