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SQL for Database Construction
A reason for using an SQL view to hide columns is:
to simplify a result only.
to prevent the display of sensitive data only.
to accomplish both of the above.
None of the above are reasons for using an SQL view.
Correct Answer:
to accomplish both of the above.
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SQL for Database Construction
What SQL structure is used to limit column values of a table?
A view that contains a computed column can be easily updated.
Views can be used to show the results of computed columns.
Common types of SQL CHECK constraints include range checks and limiting columns values.
The SQL DELETE statement is used to delete both the table structure and table data.
SQL statements can be embedded in triggers, stored procedures, and program code.
There are three SQL data modification operations: insert, modify and delete.
If any required (NOT NULL) columns are missing from the view, the view cannot be used for inserting new data.
A trigger is a stored program that is attached to a database.
SQL Server does not support the BEFORE trigger.
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