SQL Express 2017 and ARM
Microsoft SQL-Server Express Edition 2017 has the following limitations:
- 10 GB maximum data base size -> only a limited number of scans can be stored
- ca. 1.4 GB maximum RAM use -> poor performance in large environments
- 4 cores maximum -> poor performance in large environments
ARM allows you to configure your settings in order to optimize data storage:
Information on actual data base size can be found in the Server health check.
You can find additional information in the article Available SQL Server 2017 editions. (© 2020 Microsoft, https://www.microsoft.com/en-us/sql-server/sql-server-2017-editions, obtained on January 29, 2020).