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How to Use Subqueries in SQL Server |SQL Tutorial Day 16 In this video, we explore subqueries in SQL Server and demonstrate how to use them to tackle complex queries. Specifically, we show you how to find the second highest salary in a table using a subquery. What You’ll Learn: What are subqueries in SQL Server? How to structure and use ...

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跳转到 SQL Server Use Function Isnull in Subquery 的关键时刻

起始时间 00:45Using the IS NULL Condition

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起始时间 03:12Using ISNULL Function to Handle Null Values

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