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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
non numeric literals
what is cascading? what is rollback cascading? please explain in detail
find the name of supplier who supply some red part
Deadlock Prevention One of the easiest approaches for avoiding a deadlock would be to obtain all the locks at the begin of the transaction. Though, this approach restricts conc
We face problem of stock Opening balance and closing balance in Minus
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
Using a database design approach of your choice, produce a logical design for Pharma. 1) Your answer must consist of ONE the following: An entity-relationship (ER) diagra
why are older data base model are being replaced by new data model
Differentiate between horizontal & mixed horizontal fragmentation?
Set Difference If R1 and R2 are two union compatible relations or relations then result of R3 =R1- R2 is the relation that have only those tuples that are in R1 but not in R2.
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