Anonymous
Anonymous Asked in Cars &Transportation · 2 weeks ago

What is types of keys in DBMS?

Contents
  1. What are types of keys?
  2. What are the three types of keys?
Eight types of key in DBMS are Super, Primary, Candidate, Alternate, Foreign, Compound, Composite, and Surrogate Key. A super key is a group of single or multiple keys which identifies rows in a table. 19 февр. 2022 г.


What are types of keys?

Types of keys:Primary key. It is the first key used to identify one and only one instance of an entity uniquely. ... Candidate key. A candidate key is an attribute or set of attributes that can uniquely identify a tuple. ... Super Key. ... Foreign key. ... Alternate key. ... Composite key. ... Artificial key.DBMS Keys: Primary, Foreign, Candidate and Super Key - javatpoint

What are the three types of keys?

The keys on your keyboard can be divided into several groups based on function:Typing (alphanumeric) keys. These keys include the same letter, number, punctuation, and symbol keys found on a traditional typewriter.Control keys. ... Function keys. ... Navigation keys. ... Numeric keypad.Using your keyboard - Microsoft Support

Related Questions

Relevance
Write us your question, the answer will be received in 24 hours