Andmebaasiskeem

Andmebaasiskeem is a structured framework or blueprint used to organize and manage data within a database system. It defines how data is stored, accessed, and manipulated, ensuring data integrity, consistency, and security. The primary components of an andmebaasiskeem include tables, fields, relationships, and constraints.

Tables are the fundamental units of an andmebaasiskeem, representing entities such as customers, products, or orders. Each table consists of rows and columns, where rows represent individual records and columns represent fields or attributes of the entity. Fields define the type of data that can be stored in each column, such as text, numbers, dates, or binary data.

Relationships establish connections between tables, enabling data to be linked and queried across multiple entities. Common types of relationships include one-to-one, one-to-many, and many-to-many. Constraints are rules applied to fields or tables to enforce data integrity, such as primary keys, foreign keys, unique constraints, and check constraints.

An andmebaasiskeem serves as a blueprint for database design and development, guiding the creation of databases that meet specific requirements and support various applications. It facilitates efficient data storage, retrieval, and manipulation, enabling organizations to manage and analyze large volumes of data effectively. By defining the structure and rules of a database, an andmebaasiskeem ensures data consistency, accuracy, and reliability, supporting informed decision-making and business operations.