A database is called a OLAP Database if the database satisfies the FASMI  rules :
?    Fast Analysis– is defined in the OLAP scenario in five seconds or less.
?    Shared – Must support access to data by many users in the factors of Sensitivity and Write Backs.
?    Multidimensional – The data inside the OLAP Database must be multidimensional in structure.
?    Information – The OLAP database Must support large volumes of data..