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What are the uses of the information in the Data dictionary?
The following information is directly taken from the Data dictionary:
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
statical data
what is attribute is attribute inheritance in dbms?
How can one distinguish among different kinds of parameters? Input parameters are used to pass data to subroutines. Output parameters are used to pass data from subrout
What are the disadvantages of file-processing system? Ans: The Disadvantages of File-Processing System a. Data redundancy and inconsistency - Data redundancy means not nece
What is the role of a database administrator?
what is check point in database management system
If R1 and R2 are two relations or functions, then the result of R3 = R1 × R2 is the combination of tuples that are in R1 and R2. The product is associative and commutative. Degr
Identification of concurrency Identification of concurrency: Dynamic model identifies concurrency. Two objects are said to be parallel (concurrent) if they can receive events a
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