Computer Science, asked by psamogh7386, 1 month ago

In which type of join, identical columns appear only once? [1] * Natural Join Equijoin Left join Cartesian product

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Answered by Anonymous
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Answer:

A join clause in SQL – corresponding to a join operation in relational algebra – combines columns from one or more tables into a new table. ANSI-standard SQL specifies five types of JOIN: INNER, LEFT OUTER, RIGHT OUTER, FULL OUTER and CROSS.

Explanation:

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