What is the purpose of joins in teradata and what are the available join types?
Answer / Nidhi Paswan
Joins in Teradata are used to combine rows from two or more tables based on a related column between them, known as the join key. The available join types include INNER JOIN (returns only matching rows), LEFT OUTER JOIN (returns all rows from the left table and matching rows from the right table), RIGHT OUTER JOIN (returns all rows from the right table and matching rows from the left table), FULL OUTER JOIN (returns all rows when there is a match in either the left or the right table), and SELF JOIN (joins a table to itself).
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