Business object Interview Question and Answers

71. What are cardinalities?
  Cardinality expresses the minimum and maximum number of instances of an entity B that can be associated with an instance of an entity A. The minimum and the maximum number of instances can be equal to 0, 1, or N.
 
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72. What is the difference between script and select functions?
 
  • @Prompt : The @Prompt function lets you create an interactive object. In the Query Panel, this type of object causes a message to appear. This message prompts the end user to enter a specific value.
  • @Script : This function recovers the results of Visual Basic for Applications macro (VBA macro).
 
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73. What are the benefits of linked universe?
 
  • A dynamic link may considerably reduce development and maintenance time. When you modify a component in the kernel universe, DESIGNER. Propagates the change to the same component in all the derived universes.
  • Instead of re–creating common components each time you create a new universe, you can centralize such components in a kernel universe, and then include them in all new universes.
  • Linked universes facilitate specialization. Development can be split between database administrators who set up a basic kernel universe, and the more specialized designers who create more functional universes based on their specific field.
 
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74. Can I add some html tags in the report?
  Yes. In the format/properties one has to set the option ‘read as html’.
 
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75. What is theta join?
  A join is a relational operation that causes two or more tables with a common domain to be combined into a single table. The purpose of joins is to restrict the result set of a query run against multiple tables.
 
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