Teradata, Oracle, Sybase (SAP), and IBM lead the enterprise data warehousing market according to Forrester's evaluation. Teradata provides the most scalable and flexible EDW solution. Oracle has built its Exadata Database Machine into a formidable product family. Sybase continues to enhance its massively parallel columnar technology for real-time analytics. IBM has ramped up its focus on petabyte-scale Hadoop integration. EMC Greenplum, Netezza, Microsoft, and Vertica Systems also demonstrate strengths in the competitive market.