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please answer these 3 questions . thanks Answer Questions 12 points each. ORDER BY PRODUCT P PRICE VENDOR CODE 33- is a schema? How many

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please answer these 3 questions . thanks

Answer Questions 12 points each. ORDER BY PRODUCT P PRICE VENDOR CODE 33- is a schema? How many schemas can be used in one database? 34. What is a subquery? When is it used? Does the RDBMS deal with subqueries any differently from normal queries? 35. How can a table from database? Provide an example. be delete the

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