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Support by Adding Indexes
Multiple indexes can be used to access a data file by multiple access paths. In such a scheme only single copy of the data is consider, only the number of paths is added with the use of indexes. Let us talk about two main approaches in this category: Multi-List file organisation and Inverted file organisation.
Illustrate the collaboration and relationship diagram A collaboration is the society of interfaces, classes and other elements which work together to provide some cooperative b
Why older data models are being replaced by new data modelling 100 words accepted#
Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password
Rules Of Data Normalisation Let us now summarise Normalisation with the help of various clean rules. The following are the necessary rules for the Normalisation process: 1.
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
Northwind Pty Ltd sells a variety of food products throughout the world. They want to use the reporting features of SAP''s Business Information Warehouse to better understand thei
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how many types of data model in DBMS? explain data abstraction with its different level
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
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