Databases
Use datatool to read a row from a CSV file, then use the variables in the document?
[Use datatool to read a row from a CSV file, then use the variables in the document?](http://tex.stackexchange.com/q/178904)pgfplots with SQL data
[pgfplots with SQL data](http://tex.stackexchange.com/q/327749)Reading data from a relational database into a LaTeX table
[Reading data from a relational database into a LaTeX table](http://tex.stackexchange.com/q/48193)Is it possible to connect a database to LaTeX to produce data-driven documents?
[Is it possible to connect a database to LaTeX to produce data-driven documents?](http://tex.stackexchange.com/q/3697)Using an exercises package to build lots of Math/Calculus exercise lists and tests
[Using an exercises package to build lots of Math/Calculus exercise lists and tests](http://tex.stackexchange.com/q/331594)