CSDerby is not CloudScape-Derby(for Java) but rather Derby forked/ported to CSharp. Specifically it is intended to be a native c# Embedded DB for the mono/net platform with the ADO.NET API instead of the JDBC API.
apache/ derby/ authentication/ UserAuthenticator.java build.xml catalog/ types/ BaseTypeIdImpl.java DecimalTypeIdImpl.java DefaultInfoImpl.java IndexDescriptorImpl.java MethodAliasInfo.java ReferencedColumnsDescriptorImpl.java RoutineAliasInfo.java StatisticsImpl.java SynonymAliasInfo.java TypeDescriptorImpl.java TypesImplInstanceGetter.java UserDefinedTypeIdImpl.java AliasInfo.java DefaultInfo.java Dependable.java DependableFinder.java GetProcedureColumns.java IndexDescriptor.java ReferencedColumns.java Statistics.java SystemProcedures.java TriggerNewTransitionRows.java TriggerOldTransitionRows.java TypeDescriptor.java UUID.java build.xml database/ Database.java UserUtility.java build.xml diag/ ErrorLogReader.java ErrorMessages.java LockTable.java SpaceTable.java StatementCache.java StatementDuration.java TransactionTable.java build.xml iapi/ db/ ConnectionInfo.java ConsistencyChecker.java Database.java DatabaseContext.java Factory.java OnlineCompress.java OptimizerTrace.java PropertyInfo.java TriggerExecutionContext.java build.xml error/ ExceptionSeverity.java PassThroughException.java PublicAPI.java StandardException.java jdbc/ AuthenticationService.java BrokeredCallableStatement.java BrokeredCallableStatement30.java BrokeredConnection.java BrokeredConnection30.java BrokeredConnectionControl.java BrokeredPreparedStatement.java BrokeredPreparedStatement30.java BrokeredStatement.java BrokeredStatementControl.java ConnectionContext.java DRDAServerStarter.java JDBCBoot.java ResourceAdapter.java build.xml reference/ Attribute.java ClassName.java ContextId.java EngineType.java JDBC20Translation.java JDBC30Translation.java Limits.java MessageId.java Module.java Property.java SQLState.java build.xml services/ cache/ classfile/ compiler/ context/ crypto/ daemon/ diag/ i18n/ sql/ store/ types/ util/ build.xml impl/ io/ jdbc/ loc/ osgi/ vti/ modules.properties