SQL is an ANSI standard computer language for dealing with relational databases, SQL provides the commands that create new tables and databases, insert new data, update old data, delete redundant data, retrieve the required data, create stored procedures in databases, and give permissions to use data.

Yes Microsoft Virtual Academy offered Online SQL Course, on your demand here I am providing its material :

Querying with Transact-SQL
Implementing Tabular Model Solutions
Getting Started with Microsoft Azure Machine Learning
MPN Training Cloud Profitability Webcasts
SQL Server 2014: Security, Optimizer, and Columnstore Index Enhancements
SQL Server in Azure Virtual Machines - Developer Jump Start
Updating your Database Management Skills to SQL Server 2014
Database Fundamentals
Platform for Hybrid Cloud with SQL Server 2014 Jump Start
Big Data Analytics with HDInsight: Hadoop on Azure
Virtualizing & Managing SQL Server Microsoft Cloud Platform
Big Data with the Microsoft Analytics Platform System
Upgrading to Microsoft SQL Server 2014
Azure SQL Database for Business-Critical Cloud Applications
Big Data and Business Analytics Immersion v3.1
Data Platform Immersion v3.1
Microsoft Corporate BI and SAP BI Integration Jump Start
Architecture in Practice
SQL Server 2014 Essentials for Oracle DBAs
SQL Server in Windows Azure Virtual Machines Jump Start
Windows Azure SQL Database
The Microsoft Hybrid Cloud: Best Practices Guidance
Mission Critical Performance with SQL Server 2014 Jump Start
Designing Database Solutions for SQL Server
Developing Microsoft SQL Server Databases
Implementing Data Models & Reports with Microsoft SQL Server
Designing BI Solutions with Microsoft SQL Server
Boost Your T-SQL with the APPLY Operator