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What is DAG? The class-subclass relationship is shown by a directed acyclic graph.eg: employees can be temporary or permanent. We might be create subclasses temporary \and perm
Which is another name for weak entity? Child is another name of weak entity.
Describe about Use Case and external case in DFD The processes are transformed those into the Use Case and external case in DFD has same characteristics which of an actor in O
Project Description: Looking to prepare automated trading engine for alternate cyprto currencies starting with Cryptsy, finally integrating into other exchanges. Need to work wi
Two Phase Locking (2PL) The two-phase locking protocol having of two phases: Phase 1 : The lock acquisition phase : If a transaction T needs to read an object, it wants to
Consistency: This property makes sure that a complete transaction implementation takes a database from one consistent state to another consistent state. If the transaction fails e
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
the of super market system done in database
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
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