Physical Database Design What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary? NUMBER CHAR VARCHAR2 LONG NUMBER CHAR VARCHAR2 LONG ANSWER DOWNLOAD EXAMIANS APP
Physical Database Design A multidimensional database model is used most often in which of the following models? Data warehouse Relational Hierarchical Network Data warehouse Relational Hierarchical Network 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 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 one relation. All fields are stored in two relations. All fields are stored in three relations. All fields are stored in four relations. All fields are stored in one relation. All fields are stored in two relations. All fields are stored in three relations. All fields are stored in four relations. 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 A field represents each component of a composite attribute. False True False True ANSWER DOWNLOAD EXAMIANS APP
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