Overview: Consistent SQL practice across varied platforms builds real job-ready confidence.Guided lessons help beginners, while timed challenges sharpen intervi ...

Ask ChatGPT basic questions about SQL, such as “What is SQL?” or “What are the key components of SQL?” to get a foundational understanding of its purpose and structure. Gain insights into data types, ...

Everyone wants faster database queries, and both SQL developers and DBAs can turn to many time-tested methods to achieve that goal. Unfortunately, no single method is foolproof or ironclad. But even ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

With JSON now the default format for moving data between clients and servers, SQL Server adds JSON support to make it easier to get your data out of the database and down to the client. SQL Server ...

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases. For the last three decades, databases and Structured Query ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works. Database ...

SQL, or the structured query language, is a specialized programming language designed for working with databases. There are a few different variations of SQL from different organizations and projects, ...