C724 Information Systems Management Unit 4 test question and answers
WGU C724 Unit 4 test What are tuples and how are they used in databases? - correct answer one record or data set in a row. A record in a row or table What is the description of a flat file database? - correct answer single table database What is data integrity? - correct answer data is accurate and consistent through its use and application time A database schema can be represented by which model? - correct answer ERD (entity relationship model) describes the data and map processes to data requirements What takes place during the database design process to eliminate data redundancy? - correct answer normalization Why did relational database models replace hierarchical database models in business applications? - correct answer they are simpler table relationships than hierarchical databases
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buit 3000 c724 information systems management
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