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How does the two phase protocol ensure serializability in database schedules? Ans: A transaction is termed to follow the two-phase locking protocol if all locking operations
entity relationship diagram about finance
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What is known as heap file organization? In the heap file organization, any record can be placed anywhere in the file where there is space for the record. There is no ordering
What is self-transition? If there is a transition which goes back to same state, it is known as "self- transition." With a trigger action exit action would be executed f
Define in which normalisation form if an attribute of a composite key is dependent on an attribute of other composite key. Ans: 3NF A relation is in 3 NF if an attribute of
What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An
Client Server Databases- The concept behind the Client/Server systems is simultaneous, cooperative processing. It is an approach that presents a one systems view from a user's vie
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
HOW TO SOLVE THE LP Problems by simplex method?z=x1+-3x2+2x3
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