Question
Surrogate keys are used in data warehouses
because:Solution
Surrogate keys are artificial identifiers (like sequence IDs) used to maintain consistency and stability even if source keys change.
Which of the following statements about guided transmission media is correct?
What is the purpose of the fork() system call in Unix-based operating systems?
What is an 'Interrupt' in the context of Operating Systems?
The term for the use of deception to get someone’s sensitive information :
What was the term "Monitor" used to describe in the context of early operating systems?
When a large number of analog signal is to be converted to digital form, an analog multiplexer is used. The best suites analog to digital converter for ...
Which of the following statements about mesh topology is correct?
What is "serverless computing"?
In the dynamic programming solution for Matrix Chain Multiplication, the outermost loop iterates over the len (chain length). What are the correct loop ...
Which of the following is TRUE for PROM memories?
