The Logical Database Shows the User the View of the Information

Q5: In relational databases, an attribute can be

Q6: The _ operation is used to remove

Q7: The database _ is a collection of

Q8: XML is intuitive because it is a

Q9: What operation takes rows from one table

Q11: Every relational database can be described by

Q12: A technique called Query By Example (QBE)

Q13: What operation combines two tables based on

Q14: Relationships connect rows of one table with

Q15: Assume that you use the Product operation