What is a join and List different types of joins
Joins are used in queries to explain how different tables are related. Joins also let you select data from a table depending upon data from another table.
Types of joins:
- INNER JOINs,
- OUTER JOINs,
- CROSS JOINs.
- OUTER JOINs are further classified as
- LEFT OUTER JOINS,
- RIGHT OUTER JOINS and
- FULL OUTER JOINS.
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