e-r model uses this symbol to represent weak
E-R model uses this symbol to represent weak entity set ?
A Doubly outlined rectangle symbol is used to represent weak entity set.
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develop a regular expression for integer and identifieri a regular expression for integer is - dii a regular expression for identifier is ll
describe the statement in sql which allows to change the definition of a tablein sql alter statement is used to allow the changes the definition of a
explain the random walk model for exchange rate forecasting can it be consistent along with the technical analysisanswer the random walk model
advantages of edi1 edi replaces paper transactions with electronic transactions therefore it saves times and speeds up transactions2 it gives
e-r model uses this symbol to represent weak entity set a doubly outlined rectangle symbol is used to represent weak entity
what is critical section problem a race condition at data item occurs when many processes simultaneously update its value data consistency needs that
give the solutions for critical section problem a solution to the critical section problem must specify the subsequent requirementsa mutual exclusion
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disadvantages 1 the x12 standard is so large and general 2 edi communications negotiate a technical agreement to explain exactly what
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