Suppose the user finds the usage of room number and phone number in a relational schema there is confusion.This is reduced by

Related MCQs

• If the attribute phone number is included in the relation all the values need not be entered into the phone number column. This type of entry is given as
• Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?
• Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.
• Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.
• Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set?
• The algorithm that takes a set of dependencies and adds one schema at a time, instead of decomposing the initial schema repeatedly is
• A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called
• In a relational schema, each tuple is divided into fields called
• Which forms every non-prime attribute is fully dependent functionally on the candidate key of a relational schema:
• A relational database system needs to maintain data about the relations, such as the schema of the relations. This is called