For those that are curious, she did some very important work in the development of relational database technology--specifically, on query optimization ( http://

For those that are curious, she did some very important work in the development of relational database technology--specifically, on query optimization ( http://www.cs.columbia.edu/~coms4111/docs/selinger.pdf http://www.cs.columbia.edu/~coms4111/docs/selinger.pdf ).