MySQL Tutorial
MySQL Installation and Configuration
MySQL Database Operations
Database Design
MySQL Data Types
MySQL Storage Engines
MySQL Basic Operations of Tables
MySQL Constraints
MySQL Operators
MySQL Function
MySQL Manipulate Table Data
MySQL View
MySQL Indexes
MySQL Stored Procedure
MySQL Trigger
MySQL Transactions
MySQL Character Set
MySQL User Management
MySQL Database Backup and Recovery
MySQL Log
MySQL Performance Optimization
In database design, there are three main paradigms or approaches that are commonly used: the hierarchical model, the network model, and the relational model.
Hierarchical Model: The hierarchical model is a database model in which data is organized in a tree-like structure, with each record having a parent record and one or more child records. This model is often used in mainframe systems and is not commonly used in modern database design.
Network Model: The network model is a database model in which data is organized in a more flexible structure than the hierarchical model. In the network model, each record can have multiple parent and child records, allowing for more complex relationships between data. This model is also not commonly used in modern database design.
Relational Model: The relational model is a database model that organizes data into one or more tables, with each table consisting of a set of rows and columns. The rows represent individual records, while the columns represent the attributes or fields of each record. This model is the most commonly used in modern database design and is the basis for most relational database management systems, including MySQL.
In the relational model, each table represents a single entity or concept, and relationships between entities are represented by foreign keys that link one table to another. This allows for complex relationships to be represented in a simple and efficient manner.
The relational model also supports the use of SQL (Structured Query Language) to manipulate and retrieve data from the database. SQL is a powerful and flexible language that allows for complex queries and operations to be performed on the data.
Overall, the relational model is the most widely used and accepted database design paradigm in modern database design, due to its flexibility, efficiency, and ability to represent complex relationships between data.