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What are metrics for choosing the best algorithm?
Matrices for choosing the best algorithms are as below:
Convert the following ER - diagram (Entity Relationship Diagram) into a relational database (the primary keys are underlined): 2160_Convert the following ER - diagram into a
What is a value? A data value is used for identity. This form of identity is used in relational systems.eg: The primary key value of a tuple recognize the tuple.
What are the failures of Controlling Events Between Objects Failure Unintentional termination of system. Several possible causes: failure of system hardware, o
Which sorting technique is used to sort databases, whose sizes are very big? Give one such algorithm. Why do sorting techniques like quicksort, insertion sort, etc. not applied
Consider a relation s over the attributes A and B with the following characteristics: 5,000 tuples with 10 tuples per page A 2-level B+ tree index on attribute
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
complete er diagram of textile industry management
Define query optimization. Query optimization refers to the process of search the lowest -cost method of evaluating a given query.
Types of data independence Data independence can be classified into the following two types: Physical Data Independence: This means that for any change made in the physi
normal forms
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