Why when you create a dog object dog reference you call the
1. Why Animal is Used a Dog = new Dog () ;. That is reference to the Animal class but Dog object? Why not use Dog unDog = new Dog (); only?
2. Why when you create a Dog object Dog reference you call the Animal constructor and the Dog constructor?
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explain what a transaction is in a database context and provide an example of when a transaction would be
what is the value of rolling back a database transaction what could be fixed when you rollback a database transactions
is there any cost to database transactions what i mean is if they are useful then why isnt all database work part of a
1 why animal is used a dog new dog that is reference to the animal class but dog object why not use dog undog new
tables instances rows columns fields result sets triggers stored procedures and blobsnbspthese are common to many
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