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This article will explain in detail what the keywords in the database refer to. The editor thinks it is very practical, so I share it for you as a reference. I hope you can get something after reading this article.

Attributes or combinations of attributes in a database that uniquely identify a tuple are called keywords. Database is a warehouse for storing data. It has a large storage space and can store a lot of data. However, the database does not store data at will, there are certain rules.

Attributes or combinations of attributes in a database that uniquely identify a tuple are called keywords.

Related introduction:

Database

A database is a warehouse where data is stored. It has a large storage space and can store millions, tens of millions and hundreds of millions of pieces of data. However, the database does not store the data at will, there are certain rules, otherwise the efficiency of the query will be very low.

Today's world is an Internet world full of data, full of a large amount of data. That is, the Internet world is the data world. There are many sources of data, such as travel records, consumption records, web pages visited, messages sent, and so on. Except for text-type data, images, music, and sound are all data.

Database is a computer software system that stores and manages data according to data structure. The concept of a database actually has two meanings:

The main contents are as follows: (1) Database is an entity, it is a "warehouse" that can keep data reasonably, users store transaction data to be managed in this "warehouse", and the two concepts of "data" and "library" are combined to form a database.

(2) Database is a new method and technology of data management, which can organize data more appropriately, maintain data more conveniently, control data more closely and use data more effectively.

This is the end of the article on "what keywords in the database refer to". I hope the above content can be helpful to you, so that you can learn more knowledge. if you think the article is good, please share it for more people to see.

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