SELECT * FROM customers; -- select all columns from the "customers" table SELECT first_name, last_name FROM customers; -- select only the "first_name" and "last_name" columns from the "customers" ...

SQL (Structured Query Language) is a fundamental skill for anyone working in data management, whether you're a database administrator, data analyst, or software developer. For professionals looking to ...

You may encounter the SQL Server Error 18456 if the server could not authenticate the connection and this can be caused by the non-availability of the administrator ...

Part of the SQL Server 2022 blog series. Today, we announced the general availability of SQL Server 2022, the most Azure-enabled release of SQL Server yet, with continued innovation across performance ...

Part of the SQL Server 2022 blog series. Query Store is one of the most powerful database-scoped features in SQL Server for troubleshooting performance and improving the stability of your database ...

This resource will guide you through some of the basic SQL functions. We divided it into two sections: SQL Server Basics covers common tasks you may be called upon to perform; Transact-SQL Reference ...

SSIS is a popular and mature tool for performing data movement and cleanup operations. In the Microsoft ecosystem, SSIS is one of the most common extract, load, and transform (ETL) tools in use today.