Topic: Oracle Certified Professional Exams (OCP & OCA) >> plz help me on this Which two statements about subqueries are true? (Choose two.)
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| Title: plz help me on this Which two statements about subqueries are true? (Choose two.) |
| naidu |
Posted: Dec 27, 2006 04:26:06 AM |
Total Post: 85
Joined: Nov, 2006
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Which two statements about subqueries are true? (Choose two.)
A. A single row subquery can retrieve data from only one table.
B. A SQL query statement cannot display data from table B that is referred to in its subquery, unless table B is included in the main query's FROM clause.
C. A SQL query statement can display data from table B that is referred to in its subquery, without including B in its own FROM clause.
D. A single row subquery can retrieve data from more than one table.
E. A single row subquery cannot be used in a condition where the LIKE operator is used for comparison.
F. A multiple-row subquery cannot be used in an INSERT statement to insert multiple rows at a time.
Answer:
as soon as posible plz |
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 Jayanta |
| Posted: Dec 27, 2006 04:46:03 AM |  |
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Total Post: 479
Joined: Feb, 2006
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