Physical Database Design Some advantages of partitioning include: efficiency, security, and load balancing. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A field represents each component of a composite attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Distributing the columns of a table into several separate physical records is known as horizontal partitioning. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following is an advantage of partitioning? Extra space Inconsistent access speed Security Complexity Extra space Inconsistent access speed Security Complexity ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following are integrity controls that a DBMS may support? Assume a default value in a field unless a user enters a value for that field. All of these Limit the use of null values in some fields. Limit the set of permissible values that a field may assume. Assume a default value in a field unless a user enters a value for that field. All of these Limit the use of null values in some fields. Limit the set of permissible values that a field may assume. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following improves a query's processing time? Write complex queries. Combine a table with itself. Use compatible data types. Query one query within another. Write complex queries. Combine a table with itself. Use compatible data types. Query one query within another. ANSWER DOWNLOAD EXAMIANS APP
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