MS SQL Server - 43 - View Usage MCQ

43 – View Usage MCQ

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1. What is the primary purpose of retrieving data from a view in SQL Server?

To insert new data into the view

To enforce data constraints

To modify the view definition

To simplify querying by providing a virtual table

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2. In SQL Server, how is data retrieved from a view different from querying a table directly?

Data retrieval from a view is slower than querying a table.

Data retrieval from a view is subject to view-level security filters.

Data retrieval from a view is the same as querying a table.

Data retrieval from a view is not possible.

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3. Which SQL statement is used to retrieve data from a view in SQL Server?

RETRIEVE * FROM ViewName

SELECT * FROM TableName

SELECT * FROM ViewName

FETCH * FROM ViewName

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4. In SQL Server, can you insert new data into a view using the INSERT statement?

Yes, views are updatable, and you can insert data into them.

No, views are read-only, and you cannot insert data into them.

Only if the view is indexed.

Only if the view is materialized.

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5. Which of the following statements about inserting data into a view in SQL Server is true?

Data can be inserted into a view as long as the view references a single table.

Data can be inserted into a view even if it references multiple tables.

Data can be inserted into a view only if the view is read-only.

Data can be inserted into a view only if it is indexed.

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6. In SQL Server, what happens when you insert data into a view that references multiple base tables?

The insert operation fails because views cannot reference multiple tables.

The insert operation fails unless the view is indexed.

The data is inserted into all the base tables simultaneously.

The data is inserted into one of the base tables, and the others are updated accordingly.

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7. Which SQL statement is used to insert data into a view in SQL Server?

INSERT INTO TableName (Column1, Column2, …) VALUES (Value1, Value2, …)

INSERT INTO ViewName (Column1, Column2, …) VALUES (Value1, Value2, …)

INSERT INTO TableName VALUES (Value1, Value2, …)

INSERT INTO ViewName VALUES (Value1, Value2, …)

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8. In SQL Server, can you update data in a view using the UPDATE statement?

Only if the view is materialized.

Yes, views are updatable, and you can update data in them.

Only if the view is indexed.

No, views are read-only, and you cannot update data in them.

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9. Which of the following statements about updating data in a view in SQL Server is true?

Data can be updated in a view only if it is indexed.

Data can be updated in a view even if it references multiple tables.

Data can be updated in a view only if the view is read-only.

Data can be updated in a view as long as the view references a single table.

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10. In SQL Server, what happens when you update data in a view that references multiple base tables?

The update operation fails unless the view is indexed.

The data is updated in one of the base tables, and the others are updated accordingly.

The update operation fails because views cannot reference multiple tables.

The data is updated in all the base tables simultaneously.

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11. Which SQL statement is used to update data in a view in SQL Server?

UPDATE ViewName SET Column1 = Value1, Column2 = Value2 WHERE Condition

UPDATE TableName SET Column1 = Value1, Column2 = Value2 WHERE Condition

MODIFY ViewName SET Column1 = Value1, Column2 = Value2 WHERE Condition

MODIFY TableName SET Column1 = Value1, Column2 = Value2 WHERE Condition

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12. In SQL Server, can you delete data from a view using the DELETE statement?

Only if the view is materialized.

Only if the view is indexed.

Yes, views are updatable, and you can delete data from them.

No, views are read-only, and you cannot delete data from them.

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13. Which of the following statements about deleting data from a view in SQL Server is true?

Data can be deleted from a view as long as the view references a single table.

Data can be deleted from a view only if the view is read-only.

Data can be deleted from a view only if it is indexed.

Data can be deleted from a view even if it references multiple tables.

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14. In SQL Server, what happens when you delete data from a view that references multiple base tables?

The data is deleted from all the base tables simultaneously.

The delete operation fails because views cannot reference multiple tables.

The data is deleted from one of the base tables, and the others are updated accordingly.

The delete operation fails unless the view is indexed.

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15. Which SQL statement is used to delete data from a view in SQL Server?

REMOVE MyView WHERE Condition

REMOVE FROM ViewName WHERE Condition

DELETE MyView WHERE Condition

DELETE FROM ViewName WHERE Condition

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16. In SQL Server, what is the primary purpose of the WITH CHECK OPTION clause when inserting, updating, or deleting data through a view?

It defines the columns included in the view.

It enforces data constraints on the base table.

It allows data modification operations on the view.

It restricts the rows that can be modified through the view to those that satisfy the view's filter condition.

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17. Which of the following is an example of a valid SQL statement for updating data in a view named “MyView” in SQL Server?

EDIT MyView SET Column1 = Value1 WHERE Condition

UPDATE MyView SET Column1 = Value1 WHERE Condition

MODIFY MyView SET Column1 = Value1 WHERE Condition

ALTER MyView SET Column1 = Value1 WHERE Condition

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18. In SQL Server, what is the primary purpose of the NOEXPAND hint when querying a view that references an indexed view?

It defines the columns included in the view.

It enforces data constraints.

It disables the use of indexed views in query optimization.

It forces the expansion of indexed views.

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19. Which SQL statement is used to retrieve data from a view named “MyView” in SQL Server?

SELECT * FROM MyView

RETRIEVE * FROM MyView

FETCH * FROM MyView

VIEW * FROM MyView

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20. In SQL Server, can you delete data from a view that references multiple base tables using the DELETE statement?

No, you cannot delete data from a view that references multiple base tables.

Only if the view is indexed.

Only if the view is materialized.

Yes, you can delete data from any view.

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21. What is the primary purpose of the NOEXPAND hint when querying an indexed view in SQL Server?

It defines the columns included in the view.

It forces the expansion of indexed views.

It disables the use of indexed views in query optimization.

It enforces data constraints.

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22. In SQL Server, what is the primary purpose of the CHECK OPTION clause when inserting, updating, or deleting data through a view?

It allows you to create materialized views.

It ensures that only rows that satisfy the view's filter condition can be inserted or updated.

It enforces data constraints on the base table.

It simplifies query performance optimization.

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23. Which SQL statement is used to delete data from a view named “MyView” in SQL Server?

DELETE MyView WHERE Condition

REMOVE MyView WHERE Condition

DELETE FROM MyView WHERE Condition

REMOVE FROM MyView WHERE Condition

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24. In SQL Server, what is the primary purpose of using the NOCHECK option when inserting, updating, or deleting data through a view?

It ensures that data constraints are checked during data modification operations.

It disables the WITH CHECK OPTION constraint for the view.

It allows you to create materialized views.

It defines the columns included in the view.

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25. Which of the following is an example of a valid SQL statement for inserting data into a view named “MyView” in SQL Server?

INSERT INTO MyView (Column1, Column2) VALUES (Value1, Value2)

INSERT INTO MyView VALUES (Value1, Value2)

INSERT MyView VALUES (Value1, Value2)

INSERT MyView (Column1, Column2) VALUES (Value1, Value2)

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MS SQL Server – 43 – View Usage MCQ