Physical Database Design The primary goal of physical database design is data processing efficiency. True False True False ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Which of the following are integrity controls that a DBMS may support? All of these Limit the set of permissible values that a field may assume. Limit the use of null values in some fields. Assume a default value in a field unless a user enters a value for that field. All of these Limit the set of permissible values that a field may assume. Limit the use of null values in some fields. Assume a default value in a field unless a user enters a value for that field. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems. False True False True 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 What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length? LONG VARCHAR2 NUMBER CHAR LONG VARCHAR2 NUMBER CHAR ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A secondary key is which of the following? Useful for denormalization decisions Determines the tablespace required Primary key Nonunique key Useful for denormalization decisions Determines the tablespace required Primary key Nonunique key ANSWER DOWNLOAD EXAMIANS APP
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