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This article introduces the relevant knowledge of "what is the meaning of db on the network". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

The db on the network is: 1, database, which is a warehouse that organizes, stores and manages data according to data structure; 2, a kind of element symbol; 3, data interface; 4, decibel; 5, pseudo operation command in assembly language, which is used to define the number of bytes occupied by operands.

The operating environment of this tutorial: windows7 system, Dell G3 computer.

The letter DB stands for the following meanings:

1. Database

It is a warehouse that organizes, stores and manages data according to the data structure. it came into being 50 years ago. With the development of information technology and market, especially after the 1990s, data management is no longer just about storing and managing data. It has been transformed into a variety of data management methods that users need.

2. An element symbol.

3. Data interface.

4. Decibel

Represents a unit, that is, the ratio of two kinds of electrical or sound power or the ratio of two voltages or currents or similar sound; the decibel is also a unit for measuring the relative loudness of sound.

5. Pseudo operation commands in assembly language

It is used to define the number of bytes occupied by operands, where B is the abbreviation of byte, or bytes, so each Operand defined by the pseudo operation occupies 1 byte (8 bits).

Extended data:

The DB database now has four major categories:

(1) key-value pair storage: represents the software Redis. Its advantage is that it can query data quickly, but its disadvantage is that it needs to store the relationship between data.

(2) column storage: represents the software Hbase. Its advantage is that it can query data quickly and has strong expansibility of data storage. The disadvantage is that the function of the database is limited.

(3) document database storage: represents the software MongoDB, its advantage is that the data structure requirements are not particularly strict. The disadvantage is the poor performance of query and the lack of a unified query language.

(4) graphic database storage: on behalf of the software InfoGrid, its advantages can be easily calculated by using graph structure related algorithms. The disadvantage is that the whole graph must be calculated in order to get the result, and when the data model is not suitable, the graphic database is very difficult to use.

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