When we start Liferay 7 CE configured with Microsoft SQL Server, we see error like "Unsupported data type".
Yes, It's true Liferay removed support to these databases in CE edition.
Liferay CE Support
Liferay Portal 7 Community does not have "out of the box" support for clustering, non-open source app servers (Oracle WebLogic, IBM WebSphere), and non-open source databases (Oracle Database, Microsoft SQL Server, IBM DB2, Sybase DB).
Also Removed Audience Targeting in CE edition.
Liferay CE Edition Audience Targetting
