Difference Between Join And Inner Join
Join vs Inner Join
Today SQL programming has taken the world by storm and rightly so given its advantages that are now well documented. While an increasing number of professionals are getting interested in learning the inside outs of it to hone their skills and give their careers a shot in the arm, there are a few basic terminologies that remain a mystery to many professionals too. And if you are a beginner, you are undoubtedly going to grapple with these issues, like the difference between a Join and Inner Join for example, which surprisingly is quite straightforward.
And quite simply, there is no real difference between a Join and Inner Join. An Inner Join is basically where both equality and non equality signs are involved. So it is basically a join condition that has both the signs included in it. What happens when you write a Join is that Inner Join is performed quite naturally. However it’s important to understand more about different kinds of joins, and Equijoin for example is where you see only an equality sign. So you can say that Equijoin is a kind of Inner Join, which only has the equality join in it.
Inner Join is often the most commonly used Join operation, which is why it can also be considered as a default join-type. When you use an Inner Join it will create a new result table using join predicate and by putting together column values of two tables. The resultant set can be saved in the form of the table or used just the way it is. While the difference or the lack of it might not be obvious right at the onset, you will get a hang of it once you start looking at some examples using an Inner Join.
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