relates to the activities that make the database perform more efficiently in ter
ID: 3575794 • Letter: R
Question
relates to the activities that make the database perform more efficiently in terms of storage and access speed. Performance tuning Query access Database design Database management Accurate, relevant, and timely information is the key to data management knowledge good decision making understanding When designing a database, you should make sure entities are in normal form before table structures are created create table structures then normalize the database only normalize the database when performance problems occur consider more important issues such as performance before normalizing A(n) is a query that is embedded (or nested) inside another query. alias subquery operator view The special operator used to check whether a subquery returns any rows is BETWEEN LIKE EXISTS IN Metadata present a more complete picture of the data in the database than the data itself. The DBMS can easily handle multivalued attributes. Dependency diagrams are very helpful in getting a bird's-eye view of all the relationship table's attributes.Explanation / Answer
1. ___ relates to the activities that make the database perform more efficiently in terms
of storage and access speed. a. Performance Tuning.
2. Accurate, relevant, and timely information is the key to ___. b. Good decision making.
3. When designing a database, you should ___.
a. Make sure entities are in normal form before table structures are created.
4. A(n) ___ is a query that is embedded(or nested) inside another query. c. Subquery.
5. The special operator used to check whether a subquery returns any rows is ___. b. EXISTS.
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