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Describe the advantage of State chart Diagram A state chart represents a state machine, emphasizing flow of control from one state to other. A state machine is a behaviour whi
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
Example: //REVOKE ALL ON EMP FROM MCA12; (All permissions will be cancelled) You can also cancel only some of the permissions. Drop: A user-
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
List the drawbacks of relational database system A) Repetition of data B) Inability to s certain information.
What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.
While sorting field groups we cannot use more than one key field False.
List the SQL domain Types? SQL supports the following domain types. 1) Char(n) 2) varchar(n) 3) int 4) numeric(p,d) 5) float(n) 6) date.
Differance between Unordered and ordered file ? Unordered file do no has any sequence although ordered file has arranged in a few sequence and data are assigned in ordered form
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