Structured Query Language (SQL) is a powerful tool for managing and querying databases. In this blog post, we'll delve into some SQL Server features that are often used in different scenarios: Temp Tables, Table-Valued Parameters, Global Temp Tables, and Common Table Expressions (CTEs). We'll explore each concept, provide SQL Server code snippets, and discuss when to use each. Temp Tables Temp Tables are temporary storage structures that exist only for the duration of a session or a batch. They are used to store and process intermediate results during complex queries. -- Create a Temp Table CREATE TABLE #TempTable ( ID INT PRIMARY KEY , Name NVARCHAR ( 50 ) ) ; -- Insert data into Temp Table INSERT INTO #TempTable ( ID , Name ) VALUES ( 1 , 'John' ) , ( 2 , 'Jane' ) ; -- Query Temp Table SELECT * FROM #TempTable; -- Drop Temp Table at the end of the session or batch DROP TABLE #TempTable; Table-Valued Parameters (TVPs) Tabl...
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