A "candidate key" is: any set of fields that determines the values of all other fields functionally dependent on non-key attributes an attribute or set of attributes that can be the primary key O the primary key of a relation

Q: What is the most common method of specifying a primary key in a relational schema description?…

A: Method of specifying primary key in relational schema

Q: age gender customer ID Customers first_name name zip code last_name makes total transaction_date…

A: 1. Customers Relation (i) Name of the relation: Customers (ii) Names of its…

Q: Why do the functional dependencies among a relation's attributes have to do with the primary key of…

A: Dear Student, The detailed answer to your question is given below -

Q: A foreign key can refer to only the candidate key of another relation. (a) True (b)False

A: A foreign key is a field or a set of fields (columns) in a relational database table that is used to…

Q: What is the difference between an attribute with numerous values and a recurring group?

A: An attribute is fields that may be originate in a database management system (DBMS). Constituent of…

Q: First normal form (1NF) requires that the domain of an attribute may contain only. A) Key values B)…

A: First Normal Form also known as (1NF) is Said to be one of the normalization rules in relational…

Q: What are the implications of choosing a composite primary key versus a single attribute primary key?

A: When designing a database, the selection of a primary key is a critical decision that can impact…

Q: latitude ER Diagram longitude description Convert to relation schema location last_visited

A: A rеlational schеma is a bluеprint for a rеlational databasе. It dеfinеs thе tablеs in thе databasе,…

Q: Which one of the following statement is not true: A complex object is formed by combining other…

A: The above question is solved in step 2 :-

Q: Can a composite attribute be part of a composite key

A: Composite attribute as a composite key Composite attribute is a attribute that contains more than…

Q: A prospective key is a component of a composite primary key.

A: One primary key is a composite one.   The primary key in database management systems consists of two…