Computer Science
Assertion. Data redundancy may lead to data inconsistency.
Reason. When redundant data or the multiple copies of data mismatch, it makes the data inconsistent.
Relational Database
3 Likes
Answer
(a)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Explanation
Data redundancy refers to the duplication of data in a database. This may lead to data inconsistency. When redundant data or the multiple copies of data mismatch, it makes the data inconsistent.
Answered By
1 Like
Related Questions
MySQL is the name of a customised query language used by Oracle.
Assertion. A database is centrally stored data and a DBMS is a system to manage the database.
Reason. DBMS is a database management system, which is a software managing the databases.
Assertion. Data redundancy may lead to many problems.
Reason. In RDBMS, data redundancy is 100% removed.
Assertion. A primary key is used to uniquely identify the rows in a data table.
Reason. A primary key is a field or attribute which has a unique value for each row or tuple.