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Explain the term - Handling Boundary Condition
These are some circumstances that to be handled in any system initialization and termination.
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
Define a view and a trigger. Construct a view for the above relations that have the information about suppliers and the elements they supply. The view holds the S#, SNAME, P# , PNA
What is 2NF? A relation schema R is in 2NF if it is in 1NF and every non-prime attribute A in R is fully functionally dependent on primary key.
what is RDBMS? how it works? good example.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
what is Storage-Device Hierarchy question
Cardinality shows the number of instances of an entity associated with another entity participating in a relationship. Depend on the cardinality binary relationship can be further
Question 1 Suppose the employee employee id, name, designation, salary, attendance and address of any employee has to be stored in a database. You can store these data in a sequen
What are the advantages of creating a table from existing table?
difference between internal schema and external schema in DBMS
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