Oracle
1Z0-071 · Question #384
1Z0-071 Question #384: Real Exam Question with Answer & Explanation
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Question
Which two are true about scalar subquery expressions? (Choose two.)
Options
- AThey can return at most one row.
- BYou can use them as a default value for a column.
- CYou cannot correlate them with a table in the parent statement.
- DYou must enclose them in parentheses.
- EThey can return two columns.
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