Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: users separate files data-base administrator None of these data base users separate files data-base administrator None of these data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System To have a file hold a list, it is necessary to identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here identify the records in the list identify the name, width and type of the fields of each record. decide which fields will be used as sort or index keys All of the listed here identify the records in the list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When designing a database, first identify the entities, then determine the attributes, and finally establish the relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Primitive operations common to all record management systems include Print Look-up Sort All of the listed here Print Look-up Sort All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP