Physical Database Design Hashing algorithm converts a primary key value into a record address. 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? VARCHAR2 LONG CHAR NUMBER VARCHAR2 LONG CHAR NUMBER ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? CHAR LONG VARCHAR2 NUMBER CHAR LONG VARCHAR2 NUMBER ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design The three newest database architectures in use today are relational, multidimensional and hierarchical. False True False True ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true? All fields are stored in three relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in two relations. All fields are stored in three relations. All fields are stored in one relation. All fields are stored in four relations. All fields are stored in two relations. ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design Selecting a data type involves which of the following? Maximize storage space Represent most values Improve data integrity All of these Maximize storage space Represent most values Improve data integrity All of these ANSWER DOWNLOAD EXAMIANS APP
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