Answer the following questions.
Question 1) What do you mean by database system? Describe the components of database system.
Question 2) Give a short account on Primary Keys.
Question 3) What is E-R diagram? Describe.
Question 4) Write down the syntax of SELECT statement with suitable examples.
Question 5) What is relational algebra? Describe with appropriate example.
Question 6) List and describe any five built-in-functions in QBE.
Question 7) What is multivalued dependency? Describe.
Question 8) What is functional dependency? Describe.
Question 9) What is PL/SQL? Explain.
Question 10) What are the three sections of PL/SQL block?
Question 11) Explain the Entity – Relationship Model with examples.
Question 12) Describe the special relational operations with examples.
Question 13) What are the retrieval operations in SQL? Describe.
Question 14) Explain the First, Second and Third Normal forms with suitable examples.
Question 15) Explain in detail, the cursor management in PL/SQL.