Which of the following is the best type of database for data that has a predictable structure?Group of answer choicesGraphKey/valueDocumentRelational

To determine the best type of database for data that has a predictable structure, let's analyze the options provided.

1. Relational Database: This type of database is designed for structured data and is based on a schema with predefined relationships. It uses tables to represent data and SQL for querying. Relational databases excel in maintaining consistency and integrity in structured data environments.

2. Document Database: While flexible and suitable for semi-structured data, document databases (like MongoDB) store data in documents, which are often not strictly defined, making them less ideal for data with a predictable structure.

3. Key/Value Database: This type of database stores data as a collection of key-value pairs, which are good for simple queries but do not enforce a strict schema, making them less suitable for predictable data structures.

4. Graph Database: Graph databases are designed for handling complex relationships and connections between data entities. They are not usually characterized by a predictable structure.

Given these characteristics, Relational Database is the best choice for data that has a predictable structure due to its structured schema and ability to enforce data integrity.

Final Answer

Relational