Oracle
1Z0-071 · Question #31
Which task can be performed by using a single Data Manipulation Language (OML) statement?
The correct answer is C. removing all data only from one single column on which a unique constraint is defined. See the full explanation below for the reasoning.
Question
Which task can be performed by using a single Data Manipulation Language (OML) statement?
Options
- Aadding a column constraint when inserting a row into a table
- Badding a column with a default value when inserting a row into a table
- Cremoving all data only from one single column on which a unique constraint is defined
- Dremoving all data only from one single column on which a primary key constraint is defined
How the community answered
(18 responses)- A17% (3)
- B6% (1)
- C72% (13)
- D6% (1)
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