Explain about relational database management systems?

0 Answers  

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Explain the rollup operator?

0 Answers  

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agregator gives one to many records or many to one record

1 Answers   IBM,

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1. Using the XML Document below, with the URI “recipe.xml” define the following queries in XQuery: a.) Give the names of all breakfast in the menu. b.) Select breakfasts that have price lower than $7.00? <?xml version="1.0"?> <breakfast_menu> <food> <name>Belgian Waffles</name> <price>$5.95</price> <description> two of our famous Belgian Waffles with plenty of real maple syrup </description> <calories>650</calories> </food> <food> <name>Strawberry Belgian Waffles</name> <price>$7.95</price> <description> light Belgian waffles covered with strawberries and whipped cream </description> <calories>900</calories> </food> <food> <name>Berry-Berry Belgian Waffles</name> <price>$8.95</price> <description> light Belgian waffles covered with an assortment of fresh berries and whipped cream </description> <calories>900</calories> </food> <food> <name>French Toast</name> <price>$4.50</price> <description> thick slices made from our homemade sourdough bread </description> <calories>600</calories> </food> <food> <name>Homestyle Breakfast</name> <price>$6.95</price> <description> two eggs, bacon or sausage, toast, and our ever-popular hash browns </description> <calories>950</calories> </food> </breakfast_menu>

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The count() function always returns a int value type what should you do if you need to count rows from a query which you know will return a value that is too large for an int value type?

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how to find the first two highest salaries in deptno in emp table

2 Answers  

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Which data type cannot be used as a parameter in a udf?

0 Answers  

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What is an application role and explain a scenario when you would use one?

0 Answers  

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In which database can extended stored procedures be added?

0 Answers  

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Explain what a database is?

0 Answers  

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What are cursors? Explain different types of cursors?

6 Answers  

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What is normalization? Explain different levels of normalization?

8 Answers   CG-VAK, Choice Solutions, College School Exams Tests, IBM, Wipro,

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