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What do you understand by a view? What does WITH CHECK OPTION clause for a view do? - A view is a virtual table which comprises fields from one or more real tables. - It is
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
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Explain the difference between the three storage types - volatile, non volatile and stable. Ans: Volatile storage: if storage media loses data while power goes off,
While sorting, if the main storage available is not enough, the system writes data to an external help file. The SAP profile parameter, which determines DIR_SORTTMP
What is a virtual table that draws its data from the result of an SQL SELECT statement? View is a virtual table that draws its data from the result of an SQL SELECT statement.
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
List any two disadvantages of a database system ? The disadvantages of database system are: • Database systems are difficult, complex, and time-consuming to design. • Substanti
what factors might influence a company to outsource its IT infrascture.
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