Oracle
1Z0-082 · Question #3
1Z0-082 Question #3: Real Exam Question with Answer & Explanation
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Question
Which four statements are true regarding primary and foreign key constraints and the effect they can have on table data? (Choose four.)
Options
- AA table can have only one primary key but multiple foreign keys
- BA table can have only one primary key and one foreign key
- CThe foreign key columns and parent table primary key columns must have the same names
- DIt is possible for child rows that have a foreign key to remain in the child table at the time the
- EIt is possible for child rows that have a foreign key to be deleted automatically from the child table
- FOnly the primary key can be defined at the column and table level
- GPrimary key and foreign key constraints can be defined at both the column and table level
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