What is subquery? Explain it with example.
What is record in PLSQL? Explain different types of records used in PLSQL.
Define the variables and constants in PLSQL. Explain how variables differ from constants.
Explain the components of package with example.
What is trigger in PLSQL? Explain the differences between statement and Row level trigger?
What is function in PLSQL? Explain how it is differed from procedure.
Write a stored procedure to display the number of records in a table.
Attempt any TWO questions
[2x10=20]What is cursor in PLSQL? Why is it required? Explain the different steps of explicit cursor in PLSQL.
Explain different joins (Inner join, natural join, outer join (left outer, right outer, full outer), cross join) with example.
What is repetitive control statement? Explain different looping statements with example.