Mixed Query Approaches in Multi-Model Databases

1. Introduction

Mixed query approaches in multi-model databases enable the integration of various data models, allowing for complex queries across relational, document, key-value, and graph data. This lesson will explore the key concepts, query methodologies, and best practices for utilizing mixed queries effectively.

2. Key Concepts

3. Query Approaches

Mixed query approaches can be categorized into the following types:

3.1 Example of a Mixed Query

Here is a simple example of a mixed query using SQL and a JSON-like syntax:

SELECT u.id, u.name, d.details
FROM users AS u
JOIN documents AS d ON u.id = d.user_id
WHERE d.type = 'report'
AND u.active = true;

4. Best Practices

To optimize the use of mixed queries in multi-model databases, consider the following best practices:

5. FAQ