कोई कार्मिक मधुबनी

Which OLAP operation involves focusing on a subset of dimensions (e.g., region=‘Asia’)?

Which OLAP operation allows drilling down into more detailed data?

ETL stands for:

Which of the following commands is part of the Transaction Control Language (TCL) in SQL?

A Fact Constellation Schema is also called:

In a data cube, what does "slice" operation do?

Surrogate keys are used in data warehouses because:

Which type of slowly changing dimension (SCD) preserves full history by adding a new row for each change and using effective date ranges?

In a snowflake schema of a data warehouse, which of the following consequences is most likely as a result of normalization of dimension tables?

Which operation in OLAP allows selecting a single dimension from a cube?