✏️ Explanatory Question
This is a keyword used to query data from more tables based on the relationship between the fields of the tables. Keys play a major role when JOINs are used.
In SQL server, there are different types of JOINS.
1. CROSS JOIN
2. INNER JOIN
3. OUTER JOIN
Outer Joins are again divided into 3 types
1. Left Join or Left Outer Join
2. Right Join or Right Outer Join
3. Full Join or Full Outer Join
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