Podcast
Questions and Answers
Who is responsible for deciding what data should be stored in the database?
Who is responsible for deciding what data should be stored in the database?
Data administrator (DA)
What is the main advantage of a database system in terms of data protection?
What is the main advantage of a database system in terms of data protection?
Better protection against unintentional loss and unlawful access
What is the role of a Database Administrator (DBA) in an organization?
What is the role of a Database Administrator (DBA) in an organization?
Implementing the data administrator's decisions and ensuring system performance
Why is data considered one of the enterprise's most valuable assets?
Why is data considered one of the enterprise's most valuable assets?
What challenge do enterprises face when maintaining private files for individual applications?
What challenge do enterprises face when maintaining private files for individual applications?
What knowledge does a Data Administrator (DA) need to have?
What knowledge does a Data Administrator (DA) need to have?
What is a single-user system in the context of a database system?
What is a single-user system in the context of a database system?
Define a multi-user system in the context of a database system.
Define a multi-user system in the context of a database system.
How is data described in a database system?
How is data described in a database system?
Explain what is meant by the term 'integrated data' in a database system.
Explain what is meant by the term 'integrated data' in a database system.
In the context of a database system, what does 'shared data' refer to?
In the context of a database system, what does 'shared data' refer to?
What is Structured Query Language (SQL) used for in database management?
What is Structured Query Language (SQL) used for in database management?
What is the role of a database administrator in terms of design and operational use of a database?
What is the role of a database administrator in terms of design and operational use of a database?
How can a database administrator enforce standards in the representation of data?
How can a database administrator enforce standards in the representation of data?
What is Data Independence in the context of a DBMS?
What is Data Independence in the context of a DBMS?
What is Physical Data Independence?
What is Physical Data Independence?
What is Logical Data Independence focused on?
What is Logical Data Independence focused on?
Why is Data Independence considered an objective for database systems?
Why is Data Independence considered an objective for database systems?
What are the two main cons of using data dependent systems?
What are the two main cons of using data dependent systems?
Define 'Stored Field' in the context of database systems.
Define 'Stored Field' in the context of database systems.
What is a 'Stored Record' in a database system?
What is a 'Stored Record' in a database system?
Explain the concept of a 'Stored File' in a database system.
Explain the concept of a 'Stored File' in a database system.
What is meant by a 'Non-Database System'?
What is meant by a 'Non-Database System'?
Why do different applications need different views of the same data?
Why do different applications need different views of the same data?
What are the fundamental needs to understand how data is stored?
What are the fundamental needs to understand how data is stored?
How is a numeric field typically stored?
How is a numeric field typically stored?
What is the difference between a relational system and a nonrelational system?
What is the difference between a relational system and a nonrelational system?
Why are relational systems called 'relational'?
Why are relational systems called 'relational'?
What is the process of materialization in data storage?
What is the process of materialization in data storage?
What do the operators in a relational system do?
What do the operators in a relational system do?