At Microsoft Build, SQL Server 2025 enters public preview with major enhancements in AI integration, performance, reliability and developer tools -- reaffirming Microsoft’s continued investment in its ...
Abstract: SQL:1999 recursive queries are almost a quarter century old. In this standard the recursive queries have the form of recursive common table expressions. In recent years vendors of almost all ...
An recursion operation is defined as the process of directly or indirectly calling a procedure repeatedly. The Tower of Hanoi puzzle is one typical example of this. This essay introduces the methods ...
A seasoned software engineer with extensive experience in building complex distributed data-intensive backend services. The most general way to satisfy a COUNT DISTINCT or SELECT DISTINCT clause is to ...
A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...
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