Simple, fast SQL queries for flat files

Question

Does anyone know of any tools to provide simple, fast queries of flat files using a SQL-like declarative query language? I\'d rather not pay the overhead of loading the file in

Answer 1

You can look for HXTT JDBC Drivers. They provide JDBC drivers for most type of flat files, excel etc .

You can execute simple SQL queries on it.

They have trial versions available as well