Oracle
1Z0-061 · Question #104
1Z0-061 Question #104: Real Exam Question with Answer & Explanation
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Question
Which two statements about sub queries are true? (Choose two.)
Options
- AA sub query should retrieve only one row.
- BA sub query can retrieve zero or more rows.
- CA sub query can be used only in SQL query statements.
- DSub queries CANNOT be nested by more than two levels.
- EA sub query CANNOT be used in an SQL query statement that uses group functions.
- FWhen a sub query is used with an inequality comparison operator in the outer SQL statement, the
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