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Explain in details about Data Sharing
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
Problem 1 Why are the operational system keys not recommended for forming data warehouse primary keys? Give any two examples 2 Explain the following performance tuning techn
what is 3nf
Describe the shadow paging technique.
Conflicting Operations in Schedule: The three simple ways of interleaved instruction implement of transactions T1 and T2. Please note that in the following tables the first col
In which form of relational database developer refers to a record? In a tuple form of relational database developer refers to a record.
What is Nested Trigger? A trigger can also having INSERT, UPDATE and DELETE logic within itself, so when the trigger is fired because of data modification it can also cause ano
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