MongoDB is a document-oriented, open-source database program that is platform-independent. MongoDB, like some other NoSQL databases (but not all!), stores its data in documents using a JSON structure. This is what allows the data to be so flexible and not require a schema. Some of the more important features are: The nested categories schema design pattern targets the hierarchical tree structures traditionally found in a product catalog on an e-commerce website. We’ll will be presenting a pattern called the materialized path pattern. This pattern refers to categories by a file system like path concept /monitors/lg/led.
Why is the burning of magnesium considered a chemical change