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Overview of SQL Joins in SQL Server

The ability to combine results from related rows from multiple tables is an important part of relational database system design. In SQL Server, this is accomplished with the SQL join clause. It’s the nature of traditional relational database systems where some table contains information related to other tables with a common key value. Using a SQL join, you can easily perform queries on related…

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What is a Non-Equi Join in SQL and What is its Purpose?

I recently put together a lesson on non-equi joins. It is part of my Join Together Now course. Click here get the course at a discount. A non-equi join can be used to solve some interesting query problems.

You can use a non-equi join to check for duplicate value or when you need to compare one value in a table falls within a range of values within another.

You can learn more about this this…

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