Intermediate SQL tutorial demonstrating REGEXP for advanced filtering, IF & CASE statements to create categories, SUBQUERIES ...

To put it simply, max is calculated using the "rows filtered by WHERE" as input, so within the WHERE clause where those inputs are still being determined, the value of max does not yet exist. First, ...

Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric ...

MATCH_RECOGNIZE is a new SQL operator, available in Public Preview, that allows you to detect patterns and sequences from event data. MATCH_RECOGNIZE uses regex-like pattern-matching. MATCH_RECOGNIZE ...

This is an updated edition of a longstanding popular title. The new edition adds a chapter on cloud computing and hosting MySQL on Amazon Web Services, and updates the information for MySQL 8.0.33, ...

A popular performance tuning book gets updated for SQL Server 2025, how does it fare? Ian Stirk takes and in depth look and finds it pretty good. This well-liked SQL Server book examines performance ...

Most SQL failures never produce an error. The query runs. The dashboard loads. The report gets delivered. And the answer is still wrong. That is what makes SQL ...

12 worked SQL problems showing exactly when to use CTEs vs subqueries. Covers readability, performance, correlated subqueries, recursive CTEs for hierarchies and date series, and multi-CTE pipeline ...

Snowflake Notebooks offer an interactive, cell-based programming environment for Python and SQL. With a Snowflake Notebook, you can perform exploratory data analysis, experiment with feature ...

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SQL has been the cornerstone of data management for over 50 years, valued for its declarative nature and robust ecosystem. However, traditional SQL has limitations, including rigid clause structures, ...