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What is a shadow copy scheme?
It is simple, but efficient, scheme known as the shadow copy schemes. It is based on making copies of the database called shadow copies that single transaction is active at a time. The scheme also supposes that the database is simply a file on disk.
Company Database: a-)Here is the ER Model b-)Here is the Relational Model: IMPORTANT NOTICE FOR SOLUTION TYPE: ***THIS ASSIGNMENT WILL BE SOLVED BY THE
Define tuple variable Tuple variable is a type of variable whose domain is the set of all tuples.
what is stracture of dabms
Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Define Specialisation and generalization in brief? Specialisation / generalization: Generalization or Specialization represents the is a relationship set, an necessary element
i would like to ask if you will do assignment of database number of words 1500 and how much
What are the two types of errors? The two types of errors are: a) Logical error b) System error
object oriented database
what is multivalued dependency
About Attribute inheritance
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