Question
What is a sql view? briefly explain the use of views?
Answers
A SQL view is a virtual table built from other tables or views. Views are used to

hide columns or rows,
the results of computed columns,
hide complicated SQL syntax,
layer built-in functions,
provide a level of indirection between application programs and tables,
assign different sets of processing permissions to tables, and
to assign different sets of triggers to the same table.

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