Answer :

Advances

  • Data Integrity, You Only need to change the data in one of the tables, it will then update itself
  • Data Redundancy, By having a relational databse it ensures that no attributes are repeated
  • Data Consistency, There is no chance of the same attribute being stored in a different format in a different file
  • Data Flexibility, When dealing with queries, it gets much easier creating deeper queries with a relational Databse
  • Greater Efficiency, as you only have to input the data only once into a relational database it saves time and human resources

Disadvantages

  • Complex, Relational databases can be very complex and without the necessary training can be very hard to break down.
  • Expensive, Relational databases are mostly commercial and require the user to buy that piece of software or licenses for more than one machine
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It is easier to minimize duplicate data in a relational database.

It is difficult to use a relational database without prior knowledge.

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