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Increases efficiency: Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, therefore the size of data to be looked into is smaller.
Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
what is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?what is indexin
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
#questiontypes of keys examples..
how to find entities
Process-oriented decompositions Process-oriented decompositions divide complex process, task or function into simpler sub processes until they get simple enough to be deal
distributed quey processing
er diagram of sport
A field-groups statement or an insert statement reverses storage space and transfers values. False.
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