Podcast
Questions and Answers
Why were basic relational systems not very suitable for some applications?
Why were basic relational systems not very suitable for some applications?
- Need for more complex data structures (correct)
- Excessive costs involved
- Lack of proper training for developers
- Preferential treatment towards new technologies
What new data types were needed in addition to numeric and character string types?
What new data types were needed in addition to numeric and character string types?
- Set and list types
- Boolean and date types
- Relational and spatial types
- Array and struct types (correct)
Which of the following was NOT a reason why basic relational systems were not suitable for many applications?
Which of the following was NOT a reason why basic relational systems were not suitable for many applications?
- Lack of new data types
- Need for new storage and indexing structures (correct)
- Requirement for more complex data structures
- New operations and query language constructs
What led DBMS developers to add functionality to their systems?
What led DBMS developers to add functionality to their systems?
What kind of functionality was incorporated by DBMS developers from object-oriented databases into relational systems?
What kind of functionality was incorporated by DBMS developers from object-oriented databases into relational systems?
What does a DBMS security and authorization subsystem do?
What does a DBMS security and authorization subsystem do?
Why is it important for a DBMS to control access operations like retrieval or update?
Why is it important for a DBMS to control access operations like retrieval or update?
What is one of the main reasons for using object-oriented database systems?
What is one of the main reasons for using object-oriented database systems?
How can a DBMS control who uses privileged software like account creation tools?
How can a DBMS control who uses privileged software like account creation tools?
In what way do programming languages like Pascal, C++, and Java benefit from object-oriented database systems?
In what way do programming languages like Pascal, C++, and Java benefit from object-oriented database systems?
Why should only authorized personnel be allowed to access privileged software tools in a DBMS?
Why should only authorized personnel be allowed to access privileged software tools in a DBMS?
What is the advantage of using a DBMS environment when adding new data items to records?
What is the advantage of using a DBMS environment when adding new data items to records?
Which type of database systems allow users to define operations on data as part of the database definitions?
Which type of database systems allow users to define operations on data as part of the database definitions?
How can a file access program written for specific record structures handle the addition of new data items to records?
How can a file access program written for specific record structures handle the addition of new data items to records?
What is the purpose of the COURSE table in the described database structure?
What is the purpose of the COURSE table in the described database structure?
In a DBMS environment, what happens when the description of records in the catalog is changed?
In a DBMS environment, what happens when the description of records in the catalog is changed?
What is an enumerated type in the context of the described database structure?
What is an enumerated type in the context of the described database structure?
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