A view that involves statistics calculated from one or more base tables is the easiest view when attempting to update data.
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Q15: Most database management systems support the creation
Q16: To create a view definition,use the DEFINE
Q17: A view is a derived table.
Q18: If the database structure changes,the user cannot
Q19: When you create a view,you cannot assign
Q21: You use the LEGAL clause of the
Q22: You can only specify a primary key
Q23: The GRANT command to indicate that a
Q24: A view is updatable when it is
Q25: You can create and maintain an index
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