Types of SQL Commands with Examples Types of SQL Commands with Examples SQL (Structured Query Language) is a powerful language used to interact with relational databases. It allows you to perform various operations on data, such as retrieving, inserting, updating, and deleting information. This article will explore the different types of SQL commands with illustrative examples. 1. Data Definition Language (DDL) Commands DDL commands are used to define and modify the structure of database objects like tables, indexes, views, and schemas. CREATE : This command is used to create new database objects. Example: CREATE TABLE Customers ( CustomerID INT PRIMARY KEY, CustomerName VARCHAR(255), City VARCHAR(255) ); ALTER : This command is used to modify the structure of existi...
in the world of data, Sheet Insights aims to provide a valuable information covering methods and ways to use MS Excel/Google Sheets, SQL, BI tools to make life easier for the end-users.