dynamic query forms for data base querys

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©Silberschatz, Korth and Sudarshan 22.1 Database System Concepts 4 th Edition Dynamic Query Forms For Dynamic Query Forms For Data Base Queries Data Base Queries Presented by, A.SIVANARAYANA REDDY.(11A71A0505) V.NAVYA.(11A71A0563) A.NAGA LAKSHMI.(11A71A0506) B.KRISHNA SAI.(11A71A0508) Guided By, Sk.Nagul sir 1

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Page 1: dynamic query forms for data base querys

©Silberschatz, Korth and Sudarshan22.1Database System Concepts 4 th Edition

Dynamic Query Forms For Dynamic Query Forms For Data Base QueriesData Base Queries

Presented by,A.SIVANARAYANA REDDY.(11A71A0505)

V.NAVYA.(11A71A0563)A.NAGA LAKSHMI.(11A71A0506)

B.KRISHNA SAI.(11A71A0508)Guided By,Sk.Nagul sir

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©Silberschatz, Korth and Sudarshan22.2Database System Concepts 4 th Edition

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IntroductionIntroduction

� Data Quality is critical problem in modern database.

� Modern Scientific and Web databases Maintain Large And Heterogeneous Data

� Query Recommendation includes,

� Query Enrichment.

� Select Query Form Type.

� Customized Query Form.

� Other Recommendations

� Ranked List of forms.

� Frequent form Generation.

� Feed Back forms.

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©Silberschatz, Korth and Sudarshan22.3Database System Concepts 4 th Edition

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AbstractAbstract

� In these Real world database contain over hundreds or even thousands of Relations and Attriutes.

� A archives information gathered from multiple sources, and stores it under a unified schema, at a single site.

� Improving data quality with dynamic forms.� Following modules are in the paper,

� Query form enrichment.

� Select query form type.

� Customized query form.

� Query execution.

� Ranked list for forms.

� Frequent and Feedback forms generation.

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©Silberschatz, Korth and Sudarshan22.4Database System Concepts 4 th Edition

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Existing SystemExisting System

� Dynamic query forms with predefined attributes and relations.

� Database query forms without user participation presented a data-driven method.

� Query forms generated based on the selected attributes.

� Traditional predefined query forms are not able to satisfy various ad-hoc query forms for users.

� This paper proposes DQF a novel database query form interface.� Means dynamically we create tables on the front end user interface.

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©Silberschatz, Korth and Sudarshan22.5Database System Concepts 4 th Edition

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Dis-advantages for Existing SystemDis-advantages for Existing System

� One problem of the afore mentioned approaches is that, if the database schema is large and complex, user queries could be quite diverse.

� Even if we generate lots of query forms in advance, there are still user queries that cannot be satisfied by any one of query forms.

� How to let users find an appropriate and desired query form would be challenging.

� User does not have concrete key words to query beginning.� Large and complex process needed to update single field.

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Proposed SystemProposed System

� We propose DQF a query interface dynamic form.

� It is capable of dynamically generating query forms for users

� It is different from traditional document and retrieval of data base have many rounds of action.

i.e..refining query condition.

� During user interactions and to adapt the query form interactively.

� Each iteration consist of 2 types of user inter faces.

� Query form enrichment.

� Select query form type.

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©Silberschatz, Korth and Sudarshan22.7Database System Concepts 4 th Edition

Proposed System ArchitectureProposed System Architecture

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©Silberschatz, Korth and Sudarshan22.8Database System Concepts 4 th Edition

RequirementsRequirements

Soft ware� RAM : 512 MB(min)

� Hard Disk : 40GB

� Floppy Drive : 1.44 MB

� Key Board : Standard Windows Keyboard

� Mouse : Two or Three Button Mouse

� Monitor : SVGA

Hard ware� Operating System :Windows

xp/7/8

� Technology : php

� Database : Mysql

� Server :wamp server/xamp server

� IDE : net beans

� Scripting language :java script

� Design language :css/html

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ReferencesReferences

[1] Dynamic Query Forms for Database Queries.

[2] Advanced Querying and Information Retrieval.

[3] Data base system concepts 4th edition.

[4] http://queryfoms.com

http://dynamic querygeneration.com

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Conclusion &Future EnhancementConclusion &Future Enhancement

� In this paper we propose a dynamic query form generation approach which helps users dynamically generate query forms

� Key idea is to use a probabilistic model to rank form components based on user preferences.

� Feed back form with descriptions.� This approach can be extended to non-relational

databases.

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