Across
- 1. Which level of data abstraction describes exactly how the data actually stored?
- 3. _______ is example if multi valued attribute.
- 6. Which symbol is used to represent relationship in ER diagram?
- 8. which command is used to delete table from database
- 9. Which join operation is used to display common data from both table
- 11. ____________ is preferred method for enforcing data integrity
- 13. Which key must be unique and not null value
- 14. Which type of Normalisation represents every non-key attribute is functionally dependent on the primary key
- 16. Which command is used to retrieve all data from table
- 17. Which of the following creates a virtual relation for storing the query?
- 18. Which command is used to add column in table?
- 19. grant and revoke commands are examples of _______ SQL command.
Down
- 2. It is also known as a Read-only lock.
- 4. What type of relationship is represented by Shape class and Square ?
- 5. select, insert,update,delete are examples of______ SQL command.
- 7. how many types of Relationship in DBMS?
- 8. Which clause is used to retrieve unique data from table?
- 10. ______ is a special type of integrity constraint that relates two relations & maintains consistency across the relations.
- 12. It's special kind of a store procedure that executes in response to certain action on the table
- 15. Select operation is not Unary operation(State True or False)