Does it support Linux?Yes, SQL Server 2019 can be installed on supported Linux distributions or run via Docker containers. If you'd like to dive deeper, let me know:
Because it is a free edition, Microsoft imposes certain hardware and capacity limits: Maximum of 10 GB per database. Compute: Limited to 1 physical socket or 4 cores . download microsoft sql server express edition 2019
By default, Express only accepts local connections. To allow other computers to connect: Does it support Linux