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AGENDAIntroduction
whats the need for performing database migration..?
Problems with multiple databases on a single server
Existing systems
Problems with existing tools
Database migration over network toolScope
Modules
Module Description
Operation performed in the project
Requirements.
Conclusion
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INTRODUCTION
DATA BASE:
It is used for storing information, with huge amount ofsecurity, by occupying less amount of memory.
DATA BASE MIGRATION:The purpose of data migration is to transfer existingdata to the new environment.
Migrate schema and data automaticallyacross a wide range of databases such asOracle, IBM DB2, MS SQL
Server, Sybase ASE, PostgreSQL andS .
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MySQL
Oracle
MS Access
FoxPro (.dbf and .dbc files)
MS SQL Server
PostgreSQL
SQLite
Excel
DIFFERENT DATABASE
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WHATS THE NEED FOR PERFORMING
DATABASE MIGRATION..?It needs to be transformed to a format suitable for the new system, while
preserving the information present in the old system.
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MaintenancePerformance degrading
Occupies large amount of memory Costly
PROBLEMS WITH MULTIPLE
DATABASES ON A SINGLE SERVER
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To migrate data between different database proprietary tools areavailable with corresponding database.
EXISTI NG TOOLS
EXISTING SYSTEMS
Data Transformation Service (DTS)
DBBEST TOOLS
SwissSQL
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PROBLEMS WITH EXISTING TOOLS
These tools support migration ,to the correspondingdatabases.
Migration of data between different operating systems anddifferent databases versions, will include various troubles.
Most of the existing tools are purely plat formdependent.
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In case of DTS its is supposed to provide migration facilitiesbetween different vendors ,but it supports only migration of tables.
It show an error, while converting tables from an Access 2000database to a SQL Server 7.0 database.
Fig: data base migration using DTS.
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DBBEST
DB Best Migration Suite, was released in 2003 at PASS inSeattle.
DRAWBACK OFDBBEST:
DBBEST tool migrates the data ONLY betweenORACLE and MYSQL se databases.
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SwisSQL offers productive database migration tools for storedproceduremigration,SQLmigration,anddatamigration.
SwissSQL offers a number of tools with respect to each of database vendors
Oracle to SQL server machineOracle to DB2mig.
SQL server/sybase to OracleSQL server To BD2SQL queries Migration tools/APIPL/SQL to java migration tools
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DATABASE MIGRATION OVER
NETWORK TOOLu
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DATABASE MIGRATION OVER
NETWORK TOOLu
The main goal of this project is to migrate tables from onedatabase to another database of different vendors along withconstraints and dependencies.
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It allows large amount of data to migrate from source database todestination database.
User can perform operations like inserting, editing deleting ,updating in source database and destination database.
It can be used in both large & small organizations.
It also used to display data from source database to destination
database.
SCOPE
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UserAdmin
Company
MODULES
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USERu
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User:
User is a person who generally uses this software for
migration of database from one database to anotherdatabase.This requirement mainly arises due to change of
database environment like from one database to anotherdatabase or handing over responsibility to another user assuch.
MODULE DESCRIPTION
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Admin:
Administrator generally handles database who
is responsible for any database operation.He uses this software that is database migrationover network for relocation of entire database due to variousreasons.
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Company module
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Company:
Company generally use`s this project for
many reasons like shift in location of database or shift ofadmin or security reasons for authorization andauthentication
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OPERATION PERFORMED IN THE
PROJECT
Determining data types andconstraints
Determining dependenciesWriting in XML formatMigration
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User Friendly.
As the tool is developed in .NET, it is partly platformindependent.
In this tool, XML format, a platform independent format isused to represent the data globally.
NO need of buying separate tools for each of his/her migrationrequirements.
ADVANTAGES
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CONTD..
The single tool considers four databases( i.e Oracle , SQL, Sybase , M.s access).
It also migrates views & procedures if supported by thecorresponding database vendors.
The tools database browser allows the user to view the tables andviews in different databases.
Minimal manual effort.
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REQUIREMENTS
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SOFTWARESPECIFICATIONS:
Operating system win 2000 & above.Front End: c#.netBack End: SQL Server 2000/2005
HARDWARESPECIFICATIONS:
512 mb RAM,20GB Hard Disk.
REQUIREMENTS
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CONCLUSION
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QUERIES
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