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Learn more detail about an addition to the Tableau calculation language. The language changes are small, deceptively small, but the impact on your data analysis will be profound. Level of Detail Expressions (LOD Expressions) in Tableau 9 will enable richer and more reusable visualizations.

Libraries have been around for millennia, storing the world's knowledge and equipping people with the information they need. Today, public libraries help billions of people access information in our increasingly connected world. One of them is the Brooklyn Public Library system in New York City—which serves 2.5 million residents and offers millions of books and access to more than 1,000 free Internet-accessible computers. Brooklyn Public Library (BPL) wanted to make sure that it was meeting its patrons' needs. “We do so much to touch the lives of people in Brooklyn,” says Selvon Smith, the library's CIO. But it was difficult to measure that effort.

In Tableau Version 9.0 we’ve invested in making performance enhancements across the product to help you get results faster and ask deeper questions. Features ranging from Parallel Queries to Query Fusion and Data Engine Improvements let you focus on your data and creatively explore the insights it has to offer.