Question
In a certain code language, βMOTHβ is coded as
β2514β and βTOMEβ is coded as β1453β. What is the code for βEβ in that language?Solution
The correct answer is A
'Data modelling' means:
In a data warehouse, a fact table typically contains:
In a data cube, what does "slice" operation do?
Which OLAP operation involves focusing on a subset of dimensions (e.g., region=βAsiaβ)?
Which OLAP operation allows drilling down into more detailed data?
Which of the following is a key process in ETL?
Which type of data warehouse is focused on specific business lines or departments?
Which type of OLAP allows analysis of multidimensional data stored in relational databases?
A star schema in a data warehouse consists of:
Which OLAP operation allows users to view data at different levels of granularity?