What is the best way to represent the attributes in a large database?

Related MCQs

• Database __________ which is the logical design of the database, and the database _______ which is a snapshot of the data in the database at a given instant in time.
• Database __________ , which is the logical design of the database, and the database _______,which is a snapshot of the data in the database at a given instant in time.
• A                  is a pictorial depiction of the schema of a database that shows the relations in the database, their attributes, and primary keys and foreign keys.
• A                    integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• There are similarities between the instructor entity set and the secretary entity set in the sense that they have several attributes that are conceptually the same across the two entity sets: namely, the identifier, name, and salary attributes. This process is called
• When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
• A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
• A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.
• Which is a bottom-up approach to database design that design by examining the relationship between attributes: