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What are metrics for choosing the best algorithm?
Matrices for choosing the best algorithms are as below:
Explain weak and strong entity type ? Weak and Strong entity type: An entity set which does not have a primary key is referred to as a weak entity set. The existence of a wea
need to get answer for questions 3&4 on this page in part 1
Explain the term High level DML? High level DML A high-level or non-procedural DML permit the user to specify what data is needed without specifying how it is to be acquired.
What are the disadvantages of file processing system? The drawbacks of file processing systems are a) Data redundancy and inconsistency b) Complexity in accessing data
Define data model? A data model is a collection of conceptual tools for explaining data, data relationships, data semantics and consistency constraints.
distributed quey processing
What is a trigger
explain various steps uses in evaluation and maintenance of MIS.
Explain algorithm of ER To Relational Mapping ? ER-to-Relational Mapping Algorithm: 1) Step 1: Mapping of regular entity types: For each strong entity type E, form a relatio
The indices are accumulated in the index files. The data is accumulated in the data files. Indices give fast access to data items. For example, a book database may be managed in th
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