What objects does the database file contain at least

The database file contains at least table objects. A database is a collection of large amounts of data that is stored in a computer for a long time, is organized, shareable, and uniformly managed. The database can be regarded as an electronic file cabinet. Users can add, query, update, delete and other operations on the data in the file.

#The database file contains at least table objects.

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Related introduction:

A database is a "warehouse that organizes, stores and manages data according to the data structure" , is a collection of large amounts of data that is stored in a computer for a long time, is organized, shareable, and unified management.

A database is a collection of data that is stored together in a certain way, can be shared with multiple users, has as little redundancy as possible, and is independent of applications. It can be regarded as an electronic filing cabinet—— A place where electronic files are stored. Users can add, query, update, delete and other operations on the data in the files.

The concept of database actually includes two meanings:

(1) The database is an entity, which is a "warehouse" that can reasonably store data. Users store and manage data in this "warehouse" For transaction data, the two concepts of "data" and "library" are combined into a database.

(2) Database is a new method and technology for data management. It can organize data more appropriately, maintain data more conveniently, control data more closely and utilize data more effectively.

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