Question
The let-down of milk in cow is due to release of which
of the following hormone?Solution
Milk let down is due to the secretion of oxytocin.
Surrogate keys are used in data warehouses because:
Which analytics type is focused on predicting future outcomes?
Which of these is NOT an ensemble method?
In a star schema, what is the primary characteristic of the fact table?
Fact constellation schema is best described as:
A data cube allows analysis by:
Which of the following is NOT a common OLAP operation?
In ETL pipelines, which step is primarily responsible for resolving inconsistencies and correcting data quality issues (e.g., missing values, inconsiste...
Which of the following best describes a Data Warehouse?
Data warehouse metadata primarily describes: