Question: Of the following data storage technologies: Permanent Data Storage COBOL Hierarchical DBMS Network DBMS Relational DBMS Object-oriented DBMS XML a. Which requires the most understanding

Of the following data storage technologies: Permanent Data Storage COBOL Hierarchical

Of the following data storage technologies: Permanent Data Storage COBOL Hierarchical DBMS Network DBMS Relational DBMS Object-oriented DBMS XML a. Which requires the most understanding about how the data is actually stored? b. Which have the ability to ensure that data fields conform to definitions (i.e., data typing)? c. Which would be more space-efficient at representing a data model containing Dept.-Course-Instructor: Hierarchical DBMS or Network DBMS? Why? d. Which was designed to support exchange of information between organizations, companies, and/or applications

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