單項(xiàng)選擇題

A data manipulation language statement （）.

A. completes a transaction on a table
B. modifies the structure and data in a table
C. modifies the data but not the structure of a table
D. modifies the structure but not the data of a table

你可能感興趣的試題

單項(xiàng)選擇題

What does the FORCE option for creating a view do?（）

A. creates a view with constraints
B. creates a view even if the underlying parent table has constraints
C. creates a view in another schema even if you don't have privileges
D. creates a view regardless of whether or not the base tables exist

單項(xiàng)選擇題

Examine the structure of the EMPLOYEES table:

You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below:

Which UPDATE statement meets the requirements?（）

A.
B.
C.
D.
E.

A data manipulation language statement （）.

你可能感興趣的試題

What does the FORCE option for creating a view do?（）

Examine the structure of the EMPLOYEES table: You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below: Which UPDATE statement meets the requirements?（）

Examine the structure of the EMPLOYEES table:

You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below:

Which UPDATE statement meets the requirements?（）