Multiple Choice
In the context of database management systems, primary keys and foreign keys are important in relational databases because they help
A) database users collate data from different tables.
B) manage the volume and speed of incoming data.
C) customers search for products online effectively.
D) databases consistently maintain the same properties.
Correct Answer:

Verified
Correct Answer:
Verified
Q2: A company combined monthly sales data into
Q3: Describe and explain the four processes of
Q4: Identify the second step the MapReduce platform
Q5: Compare and contrast relational and non-relational databases.
Q6: Companies that adopt _ typically achieve up
Q7: In a dataset, values that are at
Q8: Most traditional Extract, Transform, and Load (ETL)
Q9: In data transformation, _ involves creating a
Q10: The veracity characteristic of big data provides
Q11: The _ characteristic of big data enables