Tests include WISC, WAIS, WPPSI, Raven's Progressive Matrices and Versant. Versant also has support for standard SQL queries against the Versant database using ODBC/JDBC drivers. The usefulness of Versant products has been challenged by a third party. Versant Object Database (VOD) is an object database software product developed by Versant Corporation. In 2005, Jochen Witte, president of Poet Software, took over as CEO of Versant Corporation. Below are the mappings of Versant scores and other tests' scores to the CEFR. Users can connect to both relational and Versant databases using ORM products. Versant supports, multiple file and multiple process configurations. The original implementation of Versant was targeted at C, C++ and Smalltalk users. Carah Faye Charnow went on to pursue a new band, Versant, in Sweden. Versant tests can be administered over the telephone or on a computer. The native Versant Query Language (VQL) is similar to SQL92. From the AI and Object-Oriented communities, object-oriented databases such as Versant emerged. In June 2010, Versant Pro Speaking Test and Versant Pro Writing Test, were launched. Versant supports the XA protocol for distributed transactions.