Oracle
1Z0-061 · Question #189
1Z0-061 Question #189: Real Exam Question with Answer & Explanation
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Question
Which two statements are true regarding sub queries? (Choose two.)
Options
- AA sub query can retrieve zero or more rows.
- BOnly two sub queries can be placed at one level.
- CA sub query can be used only in SQL query statements.
- DA sub query can appeal* on either side of a comparison operator.
- EThere is no limit on the number of sub query levels in the WHERE clause of a SELECT statement.
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