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Which statement is true about the No-SQL?

16. Which statement is true about the No-SQL?

1. No-SQL follows ACID Model.
2. No-SQL does require object-relational mapping.
3. Dynamic schemas for unstructured data are used in No-SQL databases.
4. No-SQL databases are not preferable for storage of hierarchal data.

Answer: C) Dynamic schemas for unstructured data are used in No-SQL databases

Explanation:

Dynamic schemas for unstructured data are used in No-SQL databases. No-SQL follows BASE Model. No-SQL does not require object-relational mapping. No-SQL databases are preferable for the storage of hierarchal data.