排名函数是Sql Server2005新增的功能，下面简单介绍一下他们各自的用法和区别。我们新建一张Order表并添加一些初始数据方便我们查看效果。 row_number的用途的非常广泛，排序最好用他，一般可以用来实现web程序的分页，他会为查询出来的每一行记录生成一个序号 ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

When designing objects in SQL Server, we must follow certain best practices. For example, a table should have primary keys, identity columns, clustered and unclustered indexes, data integrity and ...

I am struggling with getting a subquery to return the correct data, however I believe I am fairly close to the solution so was wondering if someone with more knowledge could assist: I am trying to ...

[!INCLUDE [sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw](../../includes/applies-to-version/sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw.md)] Numbers the output of a result ...