All of the following are characteristics of relational DBMS catalogs, except ____.
A) they are highly active
B) their main purpose is to accurately support the relational query optimizer
C) they are themselves relational databases
D) they include the full range of data dictionary entities
E) they try to find an efficient access path to satisfy a query
Correct Answer:
Verified
Q13: All of the following are likely data
Q14: Maintaining a reasonable amount of control over
Q15: All of the following are responsibilities of
Q16: Having dedicated experts whose job it is
Q17: The data administration function is operationally oriented
Q19: Informing potential users of what data already
Q20: Installing new versions of the DBMS and
Q21: Data administration is not concerned with performance
Q22: One of the advantages of data and
Q23: The term metadata means data about data.
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