public void WriteSchemaFilesForComparison()
        {
            PrepareTestData();

            var sut = new SchemaCollectionsProvider();

            _SqlLocalDbInstance = _SqlLocalDbProvider.GetOrCreateInstance("SchemaTesting");
            _SqlLocalDbInstance.Start();

            var connectionString = ConfigurationManager.ConnectionStrings["CrmOrganisation"];
            var builder = GetStringBuilder();

            using (var conn = new CrmDbConnection(connectionString.ConnectionString))
            {
                // Output common schema collections (https://msdn.microsoft.com/en-us/library/ms254501(v=vs.110).aspx)

                // and also sql local db sql server schema collections (https://msdn.microsoft.com/en-us/library/ms254501(v=vs.110).aspx)
                using (SqlConnection connection = _SqlLocalDbInstance.CreateConnection())
                {
                    connection.Open();

                    // for each connection, we are writing its schema collection to CSV format for easy comparison.
                    // We are writing sql server first, followed by crmado's.

                    WriteDataTableToCsv("Sql MetaDataCollections", builder, connection.GetSchema("MetaDataCollections"));
                    WriteDataTableToCsv("CrmAdo MetaDataCollections", builder, sut.GetMetadataCollections());

                    WriteDataTableToCsv("Sql DataSourceInformation", builder, connection.GetSchema("DataSourceInformation"));
                    WriteDataTableToCsv("CrmAdo DataSourceInformation", builder, sut.GetDataSourceInfo(conn));

                    WriteDataTableToCsv("Sql DataTypes", builder, connection.GetSchema("DataTypes"));
                    WriteDataTableToCsv("CrmAdo DataTypes", builder, sut.GetDataTypes());

                    WriteDataTableToCsv("Sql Restrictions", builder, connection.GetSchema("Restrictions"));
                    WriteDataTableToCsv("CrmAdo Restrictions", builder, sut.GetRestrictions());

                    WriteDataTableToCsv("Sql ReservedWords", builder, connection.GetSchema("ReservedWords"));
                    WriteDataTableToCsv("CrmAdo ReservedWords", builder, sut.GetReservedWords());

                    WriteDataTableToCsv("Sql Tables", builder, connection.GetSchema("Tables"));
                    WriteDataTableToCsv("CrmAdo Tables", builder, sut.GetTables(conn, null));

                    WriteDataTableToCsv("Sql Columns", builder, connection.GetSchema("Columns"));
                    WriteDataTableToCsv("CrmAdo Columns", builder, sut.GetColumns(conn, null));

                    WriteDataTableToCsv("Sql Views", builder, connection.GetSchema("Views"));
                    WriteDataTableToCsv("CrmAdo Views", builder, sut.GetViews(conn, null));

                    WriteDataTableToCsv("Sql ViewColumns", builder, connection.GetSchema("ViewColumns"));
                    WriteDataTableToCsv("CrmAdo View Columns", builder, sut.GetViewColumns(conn, null));

                    WriteDataTableToCsv("Sql Indexes", builder, connection.GetSchema("Indexes"));
                    WriteDataTableToCsv("CrmAdo Indexes", builder, sut.GetIndexes(conn, null));

                    WriteDataTableToCsv("Sql IndexColumns", builder, connection.GetSchema("IndexColumns"));
                    WriteDataTableToCsv("CrmAdo IndexColumns", builder, sut.GetIndexColumns(conn, null));

                    WriteDataTableToCsv("Sql ForeignKeys", builder, connection.GetSchema("ForeignKeys"));
                    WriteDataTableToCsv("CrmAdo ForeignKeys", builder, sut.GetForeignKeys(conn, null));

                    WriteDataTableToCsv("Sql Users", builder, connection.GetSchema("Users"));
                    WriteDataTableToCsv("CrmAdo Users", builder, sut.GetUsers(conn, null));

                    WriteDataTableToCsv("Sql Databases", builder, connection.GetSchema("Databases"));
                    WriteDataTableToCsv("CrmAdo Databases", builder, sut.GetDatabases(conn, null));
                }

                _SqlLocalDbInstance.Stop();

            }

            // save the csv file to disk

            var path = System.IO.Path.Combine(Environment.CurrentDirectory, "schema comparison report" + ".csv");
            System.IO.File.WriteAllText(path, builder.ToString());
            Console.WriteLine("comparison report written to: " + path);
        }