CH 9 430
The word online in the term OLAP refers to the use of the Internet or other networks.
FALSE
The data in fact tables is always located faster in relational implementations than in the multidimensional implementations.
False
The multidimensional database cube always has three dimensions.
False
Creating a data warehouse involves using the functionalities of database management software to implement the data warehouse model as a collection of physically created and mutually connected database tables.
TRUE
Developing front-end applications includes creating a set of predeveloped queries and interfaces to those queries.
TRUE
OLAP/BI tools are designed for the analysis of dimensionally modeled data.
TRUE
The purpose of the drill down operation is to make the granularity of the data in the query result finer.
TRUE
The purpose of the drill up operation is to make the granularity of the data in the query result coarser.
TRUE
The process of transformation cannot involve standardizing different versions of the same data present in different data sources.
FALSE
Archived data from source systems is never present in the data warehouse.
FALSE
The process of deciding what to extract during the extraction process begins after the requirements and modeling stages are completed.
FALSE