MarkLogic Corporation has announced a new version of its database, MarkLogic Server 4.2. The new release includes MarkLogic Information Studio, an ETL (extract, transformation, and loading) tool for managing unstructured information as well as new features for availability and recovery including full database replication. With MarkLogic 4.2 ETL tool Information Studio, customers can drag and drop files or point to a file directory to load into MarkLogic. New features in MarkLogic 4.2 include: XSLT Support, Replication, Database Rollback, Failover, and Proximity Boost. MarkLogic 4.2 is available for download today.