what is Parent table ?

Q: What sets managed redundancy distinct from uncontrolled redundancy

A: Introduction Redundancy is defined as: The condition of not being required or beneficial is referred…

Q: What does the term "transitive" mean? What is the rule for converting tables in the second normal…

A: Given question has asked to :- i) Write down the normalised form. ii) Identify the repeating group…

Q: When designing tables in Microsoft Access, what criteria do we employ to determine the appropriate…

A: Before deciding on the model to employ as a prototype when designing tables in Microsoft Access,…

Q: The Car Maintenance team also wants to store the actual maintenance operations in the database. The…

A: DELETE CASCADE: - When we constitute a foreign key using this option, it deletes the referencing…

Q: When is an index appropriate for a table?

A: Index: The index is used to access the data from the database speedily. Syntax of creating an index:…

Q: Implement a new independent entity phone in the Sakila database. Attributes and relationships are…

A: There is only one error in the above code and that is the ALTER TABLE command on the address table.…

Q: What does the term "transitive" mean? What is the rule for converting tables in the second normal…

A: The term transitive can be defined in such a way when there is interdependency in more than one…

Q: What is a table, and what role does it play in the relational model?

A: A table is a collection of tuples and attributes. Each row in the table is also known as tuple and…

Q: What’s the difference between a key-preserved and a non-key-preserved table?

A: Difference between key-preserved and non-key-preserved tables: The table shows the difference…

Q: 5.6 LAB - Implement independent entity (Sakila) Implement a new independent entity phone in the…

A: First check whether phone_id column exists in your customer, staff, and store table or not. If…

Q: What is outer Join?

A: What is outer Join? This join is used to return results by combining rows from two or more tables.It…

Q: can you provide me with details on the progression from 1NF  to 3NF form with the relation between…

A: Normalization: The above database is not normalized as follows: To normalize the database, each…

Q: What exactly does it imply to say that something is transitive? It is possible to convert tables…

A: To say that something is transitive means that it has the property of being transferable or being…

Q: What sets managed redundancy distinct from uncontrolled redundancy?

A: Given: To distinguish between managed and unmanaged redundancy. Redundancy is defined as: Redundancy…

Normalization

Normalization is the process of eliminating redundancy in a database by organizing the data into several smaller tables. The large tables are normalized (converted) into smaller tables by using normalization rules, so that a database administrator can easily handle them. It also eliminates insertion, deletion, and update anomalies.