Data Management

Q1. Which of these does the Count function in SQL return?

Q2. The entity set in an E-R diagram is represented by:

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

Q4. What does a subschema express?

Q5. What is the view of total database called?

Q6. What does a relational database developer refers to a record?

Q7. What do related fields in database form as a group?

Q8. Which of these are used to define a schema?

Q9. What is a report generator used for?

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