🔹 Feel free to add more SQL queries for different test scenarios. 🔹 Open a pull request if you find any improvements. 🔹 Raise an issue for bugs or suggestions. 📜 License This repository is ...

SQL query validation tools are essential for ensuring the accuracy and performance of your database queries. They help you write, test, and debug SQL code faster and easier.

A regression test allows to ensure known results when the code is edited. To enable that we need: some code to test, here SQL queries, each in its own file, a known result set for each SQL query, a ...

Learn how to write accurate, reliable, and efficient SQL queries for database engineering. Follow these tips and best practices to understand the data, write clear code, test and validate queries ...

SQL Server 2016 delivers breakthrough mission-critical capabilities with in-memory performance and operational analytics built-in. Comprehensive security features like new Always Encrypted technology ...

Database-centric systems strongly rely on SQL queries to manage and manipulate their data. These SQL commands can range from very simple selections to queries that involve several tables, subqueries, ...

As any database admin knows, mastering the subtler nuances of SQL can be likened to the black arts. For me, tuning the efficiency of SQL queries on large, heavily used databases is a perfect example.

[1] For HDFS and Azure Blob Storage only(For SQL Server 2017, SQL Server 2016 only). [2] For tail of the log only (For SQL Server 2017, SQL Server 2016 only). [3] SQL Server Enterprise edition only.

For this example you create a view descriptor, VLIB.ALLEMP, based on SYBASE data. The outer PROC SQL query retrieves data from the view descriptor; the subquery uses a Pass-Through query to retrieve ...