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Explain the Dynamic Hashing Techniques
There are two methods in it: extendible hashing - stores an access structure in addition to the file, and therefore is somewhat identical to indexing. The major difference is that the access structure is based upon the values that the result after application of the hash functions to the search field. The second one is, linear hashing - does not need additional access structures.
explaination
The Form input elements are: Reporter name text type input Password
Attributes and its types explain?
A Functional dependency is described by X Y between two groups of attributes Y and X that are subsets of R specifies a constraint on the possible tuple that can make a relation
What is an object design? Object design is a very interactive method, which decides the relationship among objects, classifies operations on classes, determines overall system
how to data store?
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
Illustrate the term- Abstracting Out Common Behaviour Inheritance is not every time recognised during analysis phase of development, thus it is necessary to re-evaluate object
sy bcs project of hospital managment system
Define- relational algebra. The relational algebra is a procedural query language. It having of a set of operations that take one or two relation as input and make a new relati
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