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Nowadays, much information is given to all databases, with the end result that it exists in multiple locations for purposes that are general in nature. There is no relationship between the tabular and non-relational schema in a NoSQL database. To those of you are not aware, there are many different NoSQL databases that are categorized into four main types:

1 1. Those based on the keys (Key-value).

2 2. In-memory (Family) in which column-store (file-family).

3 3. Document-store (Data-memory).

4 4. Graph-store (Data in memory).

It’s good for simple data that is only read rarely, but has the potential to expand to contain more data because of its expandability. It keeps vast amounts of data in one column family; in other words, the column family database stores huge numbers of individual columns all at once. The semi-structured data contains vast amounts of information pertaining to document formats, with regard to the documents in it, or data (opinions, theories, opinions, or interpretations). The last thing on the graph is the inversion of an N-to-M relationship, which is a Q-to-M relationship which is recorded as an N-to-entry database.