Which of the following is a key characteristic of the database approach?, Data is stored in separate application files, Data and programs are tightly coupled, The system contains a catalog describing the database structure, Each user must maintain their own data file, Which characteristic allows different users to view the same database in different ways?, Data redundancy, Multiple views of data, Data duplication, File system approach, Which feature of a DBMS allows multiple users to access and modify data at the same time while maintaining consistency?, Data abstraction, Concurrency control, File organization, Data compression, Program–data independence means:, Programs must be rewritten whenever data changes, Data is stored in multiple files, Changes in data structure do not require changes in application programs, Programs cannot access the database directly, In a database system, the system catalog contains:, Only user data, Only application programs, Descriptions of database structure and constraints, Backup copies of data
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Database Charecteristics
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