Databases Flashcards
1
Q
What is a database?
A
a persistent organised store of data
2
Q
What is the use of data handling software to create, maintain and interrogate a database?
A
q
3
Q
How does a DBMS allow separation of data from applications and why this is desirable?
A
q
4
Q
What are the principal features of DBMS and how can they be used to create customised data handling applications?
A
q
5
Q
What is the relationship between entities and tables?
A
q
6
Q
What are the components of a relational database?
A
q
7
Q
How are logical operators used in framing database queries?
A
q
8
Q
How are key fields used to connect tables and avoid data redundancy?
A
q
9
Q
What are methods of validating data as it is input?
A
q
