Oracle

1Z0-071 · Question #401

Which two statements are true about an Oracle database? (Choose two.)

The correct answer is A. A table can have multiple foreign keys. C. A VARCHAR2 column without data has a NULL value. See the full explanation below for the reasoning.

Question

Which two statements are true about an Oracle database? (Choose two.)

Options

AA table can have multiple foreign keys.
BA column definition can specify multiple data types.
CA VARCHAR2 column without data has a NULL value.
DA NUMBER column without data has a zero value.
EA table can have multiple primary keys.

How the community answered

(23 responses)

A
70% (16)
B
9% (2)
D
17% (4)
E
4% (1)

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