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which of the following is not true about column-family nosql databases? o a. column family databases organize their data into column families. o b. each column can be part of multiple column families. o c. data for a specific column family is stored together on disk to optimize disk input/output operations. o d. columns are dynamically created upon insertion of new data.

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tutorconsortium121

Each column cannot be part of multiple column families in case of column-family nosql databases.

What do you mean by No-sql databases?

NoSQL databases, also referred as "not merely SQL," are non-tabular databases that store data in various ways from relational tables. Depending on their data model, NoSQL databases can be classified as several categories. The primary types include wide-column, graph, document, and key-value. With a lot of data and a lot of users, they scale well and offer customizable schemas.

There are distinct qualities seen in every NoSQL database. High-level characteristics of several NoSQL databases include:

  • Adaptable models
  • Horizontal scaling
  • The data model allows for quick queries.
  • Ease of use for developers

Four main categories of NoSQL databases have developed over time:

  • document databases
  • key-value databases
  • wide-column stores
  • graph databases

To learn more about databases refer to:

https://brainly.com/question/518894

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