Computer Science
Answer
The characteristics of Relational Database Management System (RDBMS) are as follows:
- Structured Data Storage — RDBMS organizes data into structured tables consisting of rows and columns.
- Data Integrity — RDBMS enforces data integrity through constraints such as primary keys, foreign keys, unique constraints, and check constraints.
- Relationships — RDBMS supports relationships between tables.
- SQL Support — RDBMS uses SQL (Structured Query Language) as the standard language for querying and manipulating data.
Related Questions
Assertion (A): Aggregate functions in SQL operate on multiple set of values and return a single value as the output.
Reasoning (R): The aggregate functions are used to perform operations on a group of values. Some common aggregate functions are SUM(), MAX(), MIN(), etc.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R is not the correct explanation of A.
- A is true but R is false.
- A is false but R is true.
What is an Alternate Key ?
Define relation.
Define tuple.