Data Management

Q1. What is a report generator used for?

Q2. What does a subschema express?

Q3. Which of these is the E-R model symbol to represent a weak entity set?

Q4. The entity set in an E-R diagram is represented by:

Q5. Which of these are used to define a schema?

Q6. What is the view of total database called?

Q7. Which of these does the Count function in SQL return?

Q8. What does a relational database developer refers to a record?

Q9. What do related fields in database form as a group?

Q10. What is the language used in application programs to request data called?