SQL views evaluate the data in the tables underlying the view’s definition when they’re queried. So, the benefit of using SQL views is that they always return the latest data.

You can specify views in queries as if they were tables. The view derives its data from the tables or views that are listed in its FROM clause. The data accessed by a view are a subset or superset of ...

If you drop a table with indexed columns, all the indexes are automatically dropped. If you drop a composite index, the index is dropped for all the columns that are named in that index. You cannot ...