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This article mainly introduces what the rows in the data table refer to. What is introduced in the article is very detailed and has a certain reference value. Interested friends must read it!

The rows in the data table are called records; the columns in the data table are called fields. A database is a warehouse that organizes, stores and manages data according to the data structure; it is a collection of large amounts of data that are long-term stored in the computer, organized, shared and managed uniformly.

The rows in the data table are called records; the columns in the data table are called fields

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

A database is a collection of data stored together in a certain way, shared with multiple users, with as little redundancy as possible, and independent of the application. 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 file.

Extended data:

The database management system is the core component of the database system, which mainly completes the manipulation and management of the database. to achieve the creation of database objects, database storage data query, add, modify and delete operations and database user management, rights management and so on.

Its security is directly related to the security of the whole database system, and its protective measures are mainly as follows:

(1) use the genuine database management system and install the relevant patches in time.

(2) do a good job in user account management, disable the default Super Admin account or set complex passwords for Super Admin accounts, assign dedicated accounts to applications for access, and set limits on user login time and login failures to prevent violently cracking user passwords.

(3) when assigning user access rights, adhere to the principle of minimum permission allocation, and restrict users to only access specific databases, but not other databases at the same time.

(4) modify the default access port of the database, use a firewall to block other ports that are open to the outside, and prohibit all external port detection activities.

(5) encrypt the important data and sensitive data stored in the database to prevent data leakage caused by database backup or data file theft.

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