Original sentence: Support for aggregate functions, group, inner join, outer join, distinct, order.This is mainly developed to be used as a cache ( CSQL Cache ) for existing disk based commercial databases
Edited sentence: Constraints: NOT NULL, Unique key,  Primary Key, Foreign Key.Data Types: byte, small, int, bigint, float, double, char, binary, date, time, timestamp.Default values and auto increment key.It performs 30X faster than other open source DBMS and provides predictive response time (10 microsecs for point lookup and 20 microsecs for insert/update/delete operations) which makes it ideal for real time as well as near real time applications.Support for | aggregate functions, grouping, inner join, outer join, self join, distinct, order by.This can be configured to work as transparent, updateable, real time cache ( CSQL Cache ) for existing disk based commercial databases such as Oracle, Sybase, MySQL, Postgres, etc