The samples and templates are all licensed under the MIT license. See the license.txt file in the root. WideWorldImporters (WWI) is a sample database that showcases database design using current features, tools and design techniques.

April 6, 2020 - If you have worked with an RDBMS such as MySQL, PostgreSQL, Oracle Database, and SQL Server, you can use the following script to create the sample database in one of these databases. In case you don’t have a database system to practice, you can quickly use our SQL online tool to execute the ...

August 19, 2022 - A sample database which is used for most of the SQL examples of SQL tutorials, w3resource.com.

August 21, 2023 - Sample database from sqlservertutorial.net for a retail bike store.

3 days ago - Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric · This article provides direct links for downloading AdventureWorks sample databases and instructions for restoring them to your database.

March 25, 2026 - 2012 Employee Case Study Sample Database (13MB zip/13MB backup/300MB restore) These zip files contain the common corrupt databases that Paul uses for some of the DBCC CHECKDB demos. Some of the databases will only work on some versions of SQL Server so for instructions, see this blog post for details.

Contains sample databases for Microsoft's SQL databases include SQL Server, Azure SQL Database, and Azure SQL Data Warehouse.

Free comprehensive SQL and Python paths. 6 modules, 36 lessons, and 160+ questions each. ... Track your skills, benchmark against the community, and build your public data profile. ... Validate and optimize your code in real environments. ... Master the exact questions asked at Google, Meta, Amazon, and 200+ other companies. From coding challenges to conceptual interviews — we've got you covered. ... Practice SQL and Python coding questions with our interactive code editor.

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MariaDB provides enterprise open source database and database services to support scalability, mission-critical deployments, and more.

SQL Create DB SQL Drop DB SQL Backup DB SQL Create Table SQL Drop Table SQL Alter Table SQL Constraints SQL Not Null SQL Unique SQL Primary Key SQL Foreign Key SQL Check SQL Default SQL Create Index SQL Auto Increment SQL Dates SQL Views SQL Injection SQL Parameters SQL Prepared Statements SQL Hosting ... ADD ADD CONSTRAINT ALL ALTER ALTER COLUMN ALTER TABLE ALTER VIEW AND ANY AS ASC BACKUP DATABASE BETWEEN CASE CHECK COLUMN CONSTRAINT CREATE CREATE DATABASE CREATE INDEX CREATE OR REPLACE VIEW CREATE TABLE CREATE PROCEDURE CREATE UNIQUE INDEX CREATE VIEW DATABASE DEFAULT DELETE DESC DISTINCT D

It's one of the robust, feature-rich online editors for SQL Server. Getting started with the OneCompiler's SQL Server editor is really simple and pretty fast. The editor shows sample boilerplate code when you choose language as 'SQL Server' and start writing queries to learn and test online without worrying about tedious process of installation. Microsoft SQL Server is a relational database management system developed by Microsoft.

January 21, 2026 - SQL employee Database [115 Exercise with Solution] [An editor is available at the bottom of the page to write and execute the scripts. Go to the editor] Structure of employee Database: 1. From the following table return complete information about the employees. Sample table: employees ·

SQL is not a database management system, but it is a query language which is used to store and retrieve the data from a database or in simple words SQL is a language that communicates with databases. Consider we have following CUSTOMERS table which stores customer's ID, Name, Age, Salary, City and Country − · SQL makes it easy to manipulate this data using simple DML (Data Manipulation Language) Statements. For example, if we want to list down all the customers from USA then following will be the SQL query.

Free online SQL playground for MySQL, PostgreSQL, and SQL Server. Create database structures, run queries, and share results instantly.

August 20, 2013 - Free sql database is a web based service to provide sql database functionality for free.