Short Answer
Within relational model systems on both mainframes and personal computers, the main mechanism for increasing the efficiency with which data is retrieved from the database is the ____________________.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q6: You use the _ statement to give
Q7: When you create an index whose key
Q8: A value of _ is used when
Q9: When you create a query that involves
Q10: Where can you save a query if
Q12: What are the advantages of having views
Q13: In a system catalog, the _ table
Q14: You can take away user privileges to
Q15: Which of the following is an action
Q16: In Access, a(n) _ enables you to