What is the database used in microcomputers?
The database used in microcomputers belongs to "computer applications in data processing". Data processing is currently the most widely used field of computer applications. Data processing is inseparable from the support of software. Data processing software includes: various programming languages and their compilers used to write processing programs, file systems and database systems for managing data, As well as application software packages for various data processing methods; the database can automatically manage large amounts of data and improve the efficiency of computer use.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
The database used in microcomputers belongs to "computer applications in data processing".
Data processing, data processing is the basic link of system engineering and automatic control. Data processing runs through all areas of social production and social life. The development of data processing technology and the breadth and depth of its application have greatly affected the development process of human society.
The basic purpose of data processing is to extract and deduce valuable and meaningful data for certain people from a large amount of data that may be messy and difficult to understand.
Data processing cannot be separated from the support of software. Data processing software includes: various programming languages and their compilers used to write processing programs, file systems and database systems for managing data, and various data processing Method application package. In order to ensure data security and reliability, there is also a set of data security and confidentiality technologies.
Among them, the database automatically manages a large amount of data and improves the efficiency of computer use.
Data processing is a technical process for analyzing and processing data (including numerical and non-numeric). Including the processing and processing of analysis, sorting, calculation, editing, etc. of various raw data. It has broader meaning than data analysis. With the increasing popularity of computers, numerical calculations account for a small proportion in the field of computer applications, and information management through computer data processing has become the main application. Such as surveying and mapping management, warehouse management, accounting management, transportation management, technical information management, office automation, etc. In terms of geographical data, there are both a large amount of natural environment data (land, water, climate, biological and other resource data) and a large amount of socioeconomic data (population, transportation, industry and agriculture, etc.), which often require comprehensive data processing. Therefore, it is necessary to establish a geographical database, systematically organize and store geographical data to reduce redundancy, develop data processing software, and make full use of database technology for data management and processing.
Expand knowledge:
Data processing has gone through three stages of development from simple to complex, they are:
①Electronic Data Processing (EDP)
It uses the file system as a means to achieve individual management within a department.
② Management Information System (MIS)
uses database technology as a tool to achieve comprehensive management of a department to improve work efficiency.
③Decision Support System (DSS)
It is based on database, model library and method library to help management decision-makers improve their decision-making level and improve the correctness of operational strategies. sex and effectiveness.
At present, data processing has been widely used in office automation, computer-aided management and decision-making in enterprises and institutions, information retrieval, library management, film and television animation design, accounting computerization and other industries. Information is forming an independent industry. Multimedia technology allows information to be displayed in front of people not only in numbers and text, but also in emotive sounds and image information.
For more related knowledge, please visit the FAQ column!
The above is the detailed content of What is the database used in microcomputers?. For more information, please follow other related articles on the PHP Chinese website!

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



The 2024CSRankings National Computer Science Major Rankings have just been released! This year, in the ranking of the best CS universities in the United States, Carnegie Mellon University (CMU) ranks among the best in the country and in the field of CS, while the University of Illinois at Urbana-Champaign (UIUC) has been ranked second for six consecutive years. Georgia Tech ranked third. Then, Stanford University, University of California at San Diego, University of Michigan, and University of Washington tied for fourth place in the world. It is worth noting that MIT's ranking fell and fell out of the top five. CSRankings is a global university ranking project in the field of computer science initiated by Professor Emery Berger of the School of Computer and Information Sciences at the University of Massachusetts Amherst. The ranking is based on objective

Go language is an efficient, concise and easy-to-learn programming language. It is favored by developers because of its advantages in concurrent programming and network programming. In actual development, database operations are an indispensable part. This article will introduce how to use Go language to implement database addition, deletion, modification and query operations. In Go language, we usually use third-party libraries to operate databases, such as commonly used sql packages, gorm, etc. Here we take the sql package as an example to introduce how to implement the addition, deletion, modification and query operations of the database. Assume we are using a MySQL database.

Apple's latest releases of iOS18, iPadOS18 and macOS Sequoia systems have added an important feature to the Photos application, designed to help users easily recover photos and videos lost or damaged due to various reasons. The new feature introduces an album called "Recovered" in the Tools section of the Photos app that will automatically appear when a user has pictures or videos on their device that are not part of their photo library. The emergence of the "Recovered" album provides a solution for photos and videos lost due to database corruption, the camera application not saving to the photo library correctly, or a third-party application managing the photo library. Users only need a few simple steps

Hibernate polymorphic mapping can map inherited classes to the database and provides the following mapping types: joined-subclass: Create a separate table for the subclass, including all columns of the parent class. table-per-class: Create a separate table for subclasses, containing only subclass-specific columns. union-subclass: similar to joined-subclass, but the parent class table unions all subclass columns.

HTML cannot read the database directly, but it can be achieved through JavaScript and AJAX. The steps include establishing a database connection, sending a query, processing the response, and updating the page. This article provides a practical example of using JavaScript, AJAX and PHP to read data from a MySQL database, showing how to dynamically display query results in an HTML page. This example uses XMLHttpRequest to establish a database connection, send a query and process the response, thereby filling data into page elements and realizing the function of HTML reading the database.

How to use MySQLi to establish a database connection in PHP: Include MySQLi extension (require_once) Create connection function (functionconnect_to_db) Call connection function ($conn=connect_to_db()) Execute query ($result=$conn->query()) Close connection ( $conn->close())

To handle database connection errors in PHP, you can use the following steps: Use mysqli_connect_errno() to obtain the error code. Use mysqli_connect_error() to get the error message. By capturing and logging these error messages, database connection issues can be easily identified and resolved, ensuring the smooth running of your application.

PHP is a back-end programming language widely used in website development. It has powerful database operation functions and is often used to interact with databases such as MySQL. However, due to the complexity of Chinese character encoding, problems often arise when dealing with Chinese garbled characters in the database. This article will introduce the skills and practices of PHP in handling Chinese garbled characters in databases, including common causes of garbled characters, solutions and specific code examples. Common reasons for garbled characters are incorrect database character set settings: the correct character set needs to be selected when creating the database, such as utf8 or u