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Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
Deadlock And Its Prevention: As seen earlier, though two phase locking protocol handles the trouble of serialisability, but it causes some troubles also. For instance, consider th
The File Based System File based systems are an early attempt to computerise the manual filing system. For example, a manual file can be set up to hold all the correspondence r
What is a state chart diagram? State diagrams (State Chart Diagram) explain all possible states that a particular object can get into, and how object's state changes as result
what is attribute is attribute inheritance in dbms?
explain cascading rollback
job scheduling for different cubes
definition and its work
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
recovey techniques based on deferred update and immediate update
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