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A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
This language that enable user manipulate to or access data as organized by appropriate data model. Low level or Procedural DML : DML needs a user to specify what data ar
Making Common Behaviour Abstract Let us define abstraction "Abstraction means to focus on the necessary, inherent aspects of an entity and ignoring its accidental features". O
Define what Immediate database modification technique uses? Ans: Both undo and redo.
Design an algorithm to implement operations Each and every operation specified in the functional model could be formulated as an algorithm. The algorithm indicates how operat
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
note on hashing technique
Horizontal Fragmentation- Horizontal fragmentation groups together the tuples in a relation that are collectively used by the main transactions. A horizontal fragment is produced b
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
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