A modification query may cause rows in a view to disappear if a column in the WHERE clause of the view definition is changed by an UPDATE statement.
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Q5: The same rules of updatability apply to
Q6: Using the materialization strategy,when a user submits
Q7: You can rename some of the columns,all
Q8: The motivations for using views are that
Q9: A single-table view is not updatable if
Q11: In a 1-M updatable query,you cannot insert
Q12: In a 1-M updatable query,to insert a
Q13: In a data warehouse environment,views are materialized
Q14: Modifications to views,such as deleting rows or
Q15: Only single-table views are updatable with SQL
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