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