Which of the following is a technique for optimizing the internal performance of the relational data model?
A) Avoiding indexes on secondary keys
B) Clustering data
C) Not reporting statistics to save machine resources
D) Using random index organizations
Correct Answer:
Verified
Q4: Given a table named store with 5
Q5: The SQL command _ adds one or
Q6: INSERT INTO is an example of _
Q7: The command for removing a table is:
A)
Q8: What does the following SQL statement do?
Q10: Any create command may be reversed by
Q11: DDL is typically used during which phase
Q12: The command for creating a database is:
A)
Q13: _ is a set of commands used
Q14: What does the following SQL statement do?
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