Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . database table relationship instance database table relationship instance ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A top-to-bottom relationship among the items in a database is established by a All of the listed here Hierarchical schema Network schema Relational schema All of the listed here Hierarchical schema Network schema Relational schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: entities. relationships. identifiers. attributes. entities. relationships. identifiers. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the data types of all fields in all files All of these the widths of all fields in all files None of these the names of all fields in all files the data types of all fields in all files All of these the widths of all fields in all files None of these the names of all fields in all files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data item characteristics that are important in data management include punctuation width spelling language punctuation width spelling language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here sorts a file using a single key establishes an index for a file sorts file using two keys None of the listed here ANSWER DOWNLOAD EXAMIANS APP