1.DOLAP:-The OLAP tool which works with desktop databases are called as DOLAP
Ex:- FoxPro, Clipper, Dbase, Paradox.
2.ROLAP:-The OLAP tool, which works with Relational databases, are called as ROLAP.
Ex:-Oracle, SQL SERVER, Tera Data, DB2.
3.MOLAP: - The OLAP tool, which works with Multidimensional databases, are called as MOLAP.
Ex: - ESSBASE, POWER Cube
4.HOLAP: - The ROLAP tool which works with Relational databases and Multidimensional database, are called as MOLAP.
Ex: - COGNOS, BUSINESS Objects.

1.DOLAP:-The OLAP tool which works with desktop databases are called as DOLAP
Ex:- FoxPro, Clipper, Dbase, Paradox.
2.ROLAP:-The OLAP tool, which works with Relational databases, are called as ROLAP.
Ex:-Oracle, SQL Server, Tera Data, DB2.
3.MOLAP: - The OLAP tool, which works with Multidimensional databases, are called as MOLAP.
Ex: - ESSBASE, Power Cube
4.HOLAP: - The ROLAP tool which works with Relational databases and Multidimensional database, are called as MOLAP.
Ex: - Cognos, Business Objects.