0
What else can I help you with?
Non-prime attribute in DBMS?
Prime attribute are part of any candidate key. Non-prime attribute are not part of any candidate key.
What is the difference between a key and a superkey?
In database a key is a field that we use to sort a data.whereas superkey is a subset of attribute so that no tuple have the same combination of values.
What is a composite attribute?
A composite attribute has multiple components, each of which is atomic or composite.
What is a complex attribute?
A Complex attribute that is both Composite and Multi valued. Composite and Multivalued attributes can be nested arbitrarily to form a Complex attribute like Address.
What is a character attribute?
A character attribute refers to a quality that a person possesses, such as funny personality or a kind heart.
What is the significance of the prime attribute in database design and how does it impact the overall structure and functionality of a database system?
The prime attribute in database design is a key attribute that uniquely identifies each record in a table. It is crucial for maintaining data integrity and ensuring efficient data retrieval and manipulation. The prime attribute serves as the primary key in a database table, allowing for the establishment of relationships between different tables and enabling the implementation of data constraints and indexing for faster query processing. Overall, the prime attribute plays a vital role in shaping the structure and functionality of a database system by facilitating data organization, retrieval, and maintenance.
Non-prime attribute in DBMS?
Prime attribute are part of any candidate key. Non-prime attribute are not part of any candidate key.
What is a group of attribute or field in a database?
record
What is the more common name for attribute?
In a database management system (DBMS), an attribute may describe a component of the database, such as a table or a field, or may be used itself as another term for a field. Commonly we can say that an attribute is a "propety" of a database field or its a characteristic or facet of the data field..
What is a simple attribute in dbms?
database simple attritbute
What is a Composite attribute relating to database?
A composite attribute in a database is an attribute that can be divided into smaller sub-parts, each representing a distinct property. Instead of storing it as a single value, a composite attribute is broken down into its components to improve data organization and accuracy. This approach helps in reducing redundancy and ensures data integrity within the database.
Define domain with respect to dbms?
In database technology, domain refers to the description of an attribute's allowed values. The physical description is a set of values the attribute can have, and the semantic, or logical, description is the meaning of the attribute.
Information stored in a column of a database is called a?
attribute
How a user of a relational database refers to a field?
A user of a relational database refers to a field as a column in a table. This column represents a specific attribute or data type within the database table. By interacting with fields, users can query, update, and retrieve specific information stored in the database.
Why is a Key important in a database?
a key is important in a database because using of that key only we can identify a unique attribute.
What conditions are required for 3NF violation to occur?
A relation violates third normal form (3NF) if it has a transitive dependency where a non-prime attribute depends on another non-prime attribute (which itself is not a candidate key). This means that a non-prime attribute is functionally dependent on another non-prime attribute rather than on a candidate key.
How would you define Entity and Attribute?
Entity is real world thing,person,place,event or object about which store data in database. Attribute are the characteristics of entity is called attribute.
