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What is a Transaction? A transaction is an event which happens on the database. Generally a transaction reads a value from the database or writes a value to the database. If y
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
need to get answer for questions 3&4 on this page in part 1
What are the Overlapping elements Overlapping elements can be found by scanning all the elements in front of deleted element in priority list for the sheet and comparing them
What is hash file organization? What are the causes of bucket overflow within a hash file organization? What can be completed to decrease the occurrence of bucket overflow?
External failure : A failure can also result because of an external cause, such as earthquakes, fire, floods, etc. The database must be duly backed up to avoid troubles occurring d
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
Hierarchical
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
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