what is the differences between keep and join ?

Question

Accepted Answer

Keep and join are both used in programming, but they have different meanings and purposes.

Keep is a method used to filter elements from a collection based on a condition.
Join is used to combine elements from two or more collections based on a common attribute.
Keep returns a new collection with only the elements that satisfy the condition.
Join combines elements from multiple collections into a single collection.
Keep is often used with functions like filter or where in programming languages.
Join is commonly used with functions like merge or concat in programming languages.

Accepted Answer

using joins two tables are permanently merged into a single table , where as keep is used to keep two tables separately and joined virtually by linking them only from the intersection.

what is the differences between keep and join ?

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