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. Some other...
A database schema defines how data is organized within a relational database; this is inclusive of logical constraints such as, table names, fields, data types and the relationships between these entities. 数据库模式定义了如何在关系数据库中组织数据;这包括逻辑约束,如表名、字段、数据类型以及这些实...
Schema is typically organized in a hierarchical structure. The basic levels include thedatabase schema, which provides the logical view of the entire database, and the physical schema, which offers a physical view of the database. Benefits and Use Cases ...
What is database schema design? Database schema design provides a blueprint to develop the architecture of the database, so a massive amount of information can be stored systematically. It also refers to the strategies and best practices involved in constructing a database. Database schema design...
A database schema defines how data is organized within a relational database; this is inclusive of logical constraints such as, table names, fields, data types and the relationships between these entities. Schemas commonly use visual representations to communicate the architecture of the database, ...
What is a schema? In computer programming, a schema (pronounced SKEE-mah) is the organization or structure for adatabase, while in artificial intelligence (AI), a schema is a formal expression of an inference rule. The wordschemaoriginates from the Greek word for "form or figure." The co...
A database schema can be a visual representation of a database, a set of objects that belong to a user, and a set of rules that specify the allowed data.
Learn what is a database schema, what are its components, how it works, what are its benefits and some basic rules that apply to database schemas.
This username is called the schema owner, or the owner of the related group of objects. You may have one or multiple schemas in a database. The user is only associated with the schema of the same name and often the terms will be used interchangeably. Basically, any user who creates an...
Schema is an overloaded term; it’s an abstract word that has accumulated a lot of different definitions, and as a result can be confusing to sort out. Depending on the context, schema can mean: The overall structure, specification, or “blueprints” of your database ...