Oracle
1Z0-061 · Question #232
1Z0-061 Question #232: Real Exam Question with Answer & Explanation
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Question
You need to modify the STUDENTS table to add a primary key on the STUDENT_ID column. The table is currently empty. Which statement accomplishes this task?
Options
- AALTER TABLE students ADD PRIMARY KEY student_id;
- BALTER TABLE students ADD CONSTRAINT PRIMARY KEY (student_id);
- CALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY student_id;
- DALTER TABLE students ADD CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
- EALTER TABLE students MODIFY CONSTRAINT stud_id_pk PRIMARY KEY (student_id);
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