Esskyuehl (ESQL) is a completely asynchronous client-side SQL library. It robustly supports both event-driven and callback-driven models for handling responses, and it uses a dynamic module-loading interface for its SQL server compatibility. Dependencies: eina ecore mysql (optional) postgresql (optional) sqlite3 (optional) Install: Simply run autogen.sh to configure, 'make' to the code, and 'make install' to install Tests: Run 'make check' to compile the tests. By default, both mysql and psql modes are tested in each app.