Relational Database Management System (RDBMS) Question:
What is a Relation Schema and a Relation?
Answer:
A relation Schema denoted by R(A1, A2, ?, An) is made up of the relation name R and the list of attributes Ai that it contains. A relation is defined as a set of tuples. Let r be the relation which contains set tuples (t1, t2, t3, ..., tn). Each tuple is an ordered list of n-values t=(v1,v2, ..., vn).
| Previous Question | Next Question |
| What is an attribute? | What is degree of a Relation? |