new Tableau articles

These three articles are short and worth reading. Think about specific workbooks you have that may benefit from this advice.

Tableau Data Extracts can do more (part 2, with link to part 1)

http://www.tableausoftware.com/about/blog/2014/7/why-use-tableau-data-extracts-32187

Custom SQL can be slow
http://kb.tableausoftware.com/articles/issue/custom-sql-performance-issues?lang=en-us&lang=en-us

Exported column order can now be controlled
http://kb.tableausoftware.com/articles/issue/columns-re-ordered-in-exported-csv