Podcast
Questions and Answers
What is a major problem with data duplication?
What is a major problem with data duplication?
- Requires more sophisticated programming techniques
- Simplifies data retrieval processes
- Leads to waste of space and maintenance headaches (correct)
- Ensures data integrity across applications
Which of the following is NOT an advantage of the database approach?
Which of the following is NOT an advantage of the database approach?
- Improved data sharing
- Improved data quality
- Program-data independence
- Increased data redundancy (correct)
Which requirement is essential for the database approach?
Which requirement is essential for the database approach?
- Individual data maintenance by each programmer
- A database management system (DBMS) (correct)
- Non-standard file formats
- Each application program needs its own processing routines
What is a key function of a Database Management System (DBMS)?
What is a key function of a Database Management System (DBMS)?
Which of the following is a risk associated with the database approach?
Which of the following is a risk associated with the database approach?
What type of graphical model shows the high-level entities for the organization and their relationships?
What type of graphical model shows the high-level entities for the organization and their relationships?
What type of relationship exists between one customer and many orders?
What type of relationship exists between one customer and many orders?
What is the purpose of special columns in the Pine Valley Furniture Company Access DB tables?
What is the purpose of special columns in the Pine Valley Furniture Company Access DB tables?
What is an example of a factor to consider when implementing a relational database?
What is an example of a factor to consider when implementing a relational database?
What is the 'Update' function in a database application?
What is the 'Update' function in a database application?
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