SQL

SQL Tutorial –  Introduction

SQL Tutorial – Introduction

Introduction SQL stands for structured query language. It enables you to create and operate a relational database by storing the information in the form of a table. MySQL is based on Structured Query Language is commonly termed a relational database management system (RDBMS). MySQL is primarily used for the purpose of creating & manipulating a web database….

Data definition language (DDL)

Data definition language (DDL)

A database scheme is specified by a set of definitions which is expressed by a special language called a data definition language (DDL). It is used to create, remove, or altering, the structure of table or database objects. It includes the following statements/operations, 1) Creation of Table2) Altering Table3) Dropping Table4) Truncating Table If you…

Oracle database

Oracle database

Introduction to Oracle database Oracle database is a database solution for batch processing, data lakes, and operational reporting. It enables its customers to simplify relational database environments and reduce management workloads. But firstly, we must know what is a database. A database is a collection of related data necessary to manage an organization. Data is…