RDBMS has become one of the most preferred data storage solutions for businesses globally due to its reliable methods of storage and retrieval of data, ease of use, and ability to offer high system performance. This type of relationship between different tables allows queries to be run across multiple tables at once. Each record in a table can be uniquely identified using an Attribute that acts as a Primary Key and a relationship can be established between two different tables using a Foreign Key. Image Source: Wikipediaĭata in a Relational Database is queried using Structured Query Language (SQL). Each row is referred to as a Record or Tuple, and each column is referred to as an Attribute. Each table in the Relational Database is referred to as a Relation. What is Relational Database Management System?Ī Relational Database Management System (RDMS) can be defined as a set of programs that allow you to interact with Relational Databases and make changes to them as required.Ī Relational Database refers to a database that stores data in a Structured format i.e., in the form of rows and columns. This article will provide you with a simplified explanation of what a Relational Database Management System (RDBMS) is, why PostgreSQL is becoming the preferred RDBMS for most organizations, what a Postgres Case statement is, and how you can use it for your business and data requirements.
What is Relational Database Management System?.
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