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Determine the method of Choosing Algorithms
In general, most of operations are easy and have a satisfactory algorithm since description of what is to be done also shows how it is to be done. Most of operations in object link network simply traverse to get back or change attributes or links. Non-trivial algorithms are normally required for two reasons:
i) If no procedural specification is given for the functions
ii) If a simple but useless algorithm serves as a definition of function.
What is advantage of two-way association? Two-way association advantages are following: a) Independent of the classes. b) Useful for existing predefined classes that are
Data Manipulation Language Data manipulation language (DML) describes a set of commands that are used to query and change data within existing schema objects. In this case comm
Explain Instance and schemas? Instances and schemas: Databases changes over time as the information is deleted and inserted. The collection of information stored in database
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
a set of possible data value of an attribute is called??
Given the subsequent relations: vehicle (reg_no, make, colour) Person (eno, name, address) Owner (eno, reg_no) Write expressions
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
What do you mean through integrity constraints? Integrity Constraints -An integrity constraint is a condition specified on a database schema and restricts the data in which
The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t
Replicating Data One approach that may support efficient access to dissimilar applications as above may be to give access to every of the applications from dissimilar replicate
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