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What are tuples and how are they used in databases? - 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? - ANSWER single table database
What is data integrity? - ANSWER data is accurate and consistent through its use and application time
A database schema can be represented by which model? - 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? - ANSWER normalization
Why did relational database models replace hierarchical database models in business applications? - ANSWER they are simpler table relationships than hierarchical databases
What size is big data database considered? - ANSWER petabyte
Why are data warehouses beneficial to business managers? - ANSWER they can be mined or analyzed for trends or patterns
What is the definition of data integrity? - ANSWER a process to ensure data is not corrupted
It is a good practice to _________________ data that is backed up on a regular basis. - ANSWER reduce
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