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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
how to implement mid square hashing?
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
What is a primary index? A primary index is an index whose search key also explains the sequential order of the file.
About Attribute inheritance
what is view?explain
Define identify relationship? Identifying relationship: An identifying relationship means in which the child table cannot be uniquely recognize without the parent. For exampl
Your friend owns a computer store in Yuen Long, selling Desktop and Notebook PCs and other computer peripherals. Having been rather successful with his business there, he decided t
what is RDBMS? how it works? good example.
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