
Late Night Chronicles: #2 Diving into RDBMS
In the previous post, I talked about Data, Databases, DBMS , and their limitations. But today, letβs talk about the solution to those problems π π§ What is RDBMS? RDBMS (Relational Database Management System) is a type of DBMS where data is stored in a structured format using tables (rows and columns) . π Unlike traditional file systems, RDBMS follows Row Level Locking System. π Definition (ANSI) A software system that manages data organized into tables with rows and columns , allowing for ACID-compliant transaction π§° Examples of RDBMS Software Some commonly used RDBMS tools are: Oracle MySQL MS SQL Server PostgreSQL DB2 Sybase Informix (Fastest in terms of Processing Speed) π Basic Concepts in RDBMS Column (Attribute / Key / Method) β Represents a property (e.g., Name, ID) Row (Tuple / Entity / Opportunity) β A single record (e.g., one studentβs data) Table (Relation / Entity Class / Applet ) β Collection of rows and columns π In simple words: Table = Structure Row = Data Column = Prop
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