Add the assemblies that correspond to the database provider from the table above to your project’s References.To make XPO use your database server, you should do the following. To avoid exceptions when connecting to ASE databases containing these tables, use one-column keys or indexes. XPO does not support tables with multi-column (compound) keys or indexes in ASE databases. SQL Server 2005 Compact Edition (Microsoft SqlServer 2005 Everywhere Edition CTP) SQL Server 2016 Express (including LocalDB) SQL Server 2014 Express (including LocalDB) SQL Server 2012 Express (including LocalDB) MS SQL Server 2000 Desktop Engine (MSDE 2000) PostgreSQL 7, PostgreSQL 8, PostgreSQL 9, PostgreSQL 10, PostgreSQL 11, PostgreSQL 12 Oracle 9i, Oracle 10g, Oracle 11g, Oracle 12c, Oracle 18c MySQL Server 5.0, MySQL Server 5.1, MySQL Server 5.7, MySQL Server 8.0.12 SQL Server 2005 Express Edition, SQL Server 2008, SQL Azure™ Database, SQL Server 2008 R2, SQL Server 2008 R2 Express, SQL Server 2012, SQL Server 2012 Express (including LocalDB), SQL Server 2014, SQL Server 2014 Express (including LocalDB), SQL Server 2016, SQL Server 2016 Express (including LocalDB), SQL Server 2017 Microsoft SqlServer 7.0, Microsoft SqlServer 2000, MS SQL Server 2000 Desktop Engine (MSDE 2000), Microsoft SQL Server 2005,