【题文】 What is a database? A database is a collection of data or information that is organized, stored, and accessed electronically. 【小题1】 There are three main well-defined aspects of any database: It is relevant (相关的). When searching for information in the database, you shoul...
根据上文“What is a database? A database is a collection of data or information that is organized, stored, and accessed electronically.(什么是数据库?数据库是用电子方式组织、存储和访问的数据或信息的集合)”以及后文“There are three main distinguishing aspects of any database(任何数据库都有三...
In afederated database, several distinct databases that run on independent servers are unified into one large object. A blockchain is a type of federated database that's used to securely manage financial ledgers and other transaction records. ...
Items in a relational database are organized as a set of tables with columns and rows. Relational database technology provides the most efficient and flexible way to access structured information. Object-oriented databases Information in an object-oriented database is represented in the form of ...
Information in an object-oriented database is represented in the form of objects, as in object-oriented programming. Distributed databases A distributed database consists of two or more files located in different sites. The database may be stored on multiple computers, located in the same physical...
What is a database management system (DBMS)? A database management system (DBMS) is a software system for creating and managing databases. A DBMS enables end users to create, protect, read, update and delete data in a database. It also manages security, data integrity and concurrency for ...
A database is a collection of data. That may sound overly simplistic but it pretty much sums up what any database is.A database could be as simple as a text file with a list of names. Or it could be as complex as a large, relational database management system, complete with in-...
to understand the concept of data.Dataare units of information, such as facts and statistics, that when analyzed in digital form, can provide insight for business purposes and scientific discovery. Therefore, adatabaseis a computer structure that saves, organizes, protects, and delivers data. ...
What Is a Database? Abstract A database is a place where we store information. More than that, its a place where we store organized information for a purpose or a set of purposes. We organize the information in our database in such a way that our programs and applications can provide ...
摘自:https://www.quora.com/What-is-a-schema-in-a-MySQL-database What is schema? In MySQL, physically, aschemais synonymous with adatabase. You can substitute the keyword schema instead of database in MySQL SQL syntax, for example using create schema instead of create database. ...