Database Migration a Cost-effective Standardization


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airtel since its inception has been at the forefront of technology and has steered the course of the telecom sector in the country with its world class products and services. airtel’s DSL subscriptions were growing at rapid pace in Tamil Nadu circle. The Operations Support System (OSS) is buckling down and is not able to scale up to the growing needs. The OSS was built in-house 5 years back and was developed on primitive version of one of the free database - MySQL. In order to meet the growing needs, as a first step, airtel decided to migrate the database of OSS from MySQL 3.x to Oracle 10g, a leading database for enterprise applications. The key to making this operation efficient Client approached Sigma Infosolutions.

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Database Migration a Cost-effective Standardization

  1. 1. Database Migrationa Cost-effective
  2. 2. A leading global telecommunications company with operations in 19countries across Asia and Africa. The company offers mobile voice & dataservices, fixed line, high speed broadband, IPTV, DTH, turnkey telecomsolutions for enterprises and national & international long distance servicesto carriers. Client has been ranked among the six best performing technologycompanies in the world by business week. Client had 200 million customersacross its operations.The ClientOSS for a region has several limitations relating to its database such as:Maintaining application is tedious as one needs to know quite older versionof database and which doesn’t support some of the basic operations like sub-queries, stored functions etc. and thus in order to maintain the application,programmer needs to apply some of the workaround which makes applicationmore fragile.Carrying out enhancements and tweaks to application are more effortintensive and error prone as MySQL 3.x has lot of limitation in various SQLsyntax like Stored Procedures, sub-query etc. support is not there in 3.xversion.90% of reports can not be generated or take a very long time, makingapplication unusable at times. Due to erroneous data model and slow queryretrieval engine of MySQL3.x, this issue is being faced right now.With the growing number of subscriptions, scalability of OSS is bigroadblock as data retrieval engine in MySQL 3.x is quite primitive and thuswith larger set of data, retrieval would become even slower.As current data model is not optimized and tuned, Analyticalreporting/Dashboard not possible with current database structure. Oraclehas many inbuilt features like Materialized views etc. to take care ofanalytical needs of application.In current application creation of data dump is not efficient and thus datarequirements of legal department are not easy to fulfil.User Interface design not intuitive; options are cluttered on screen, noseparate “tabs” to operate on logically grouped options.Business“35% cost savingson functionalitydevelopmentExecutive SummaryA leading telecom provider in India, sinceits inception has been at the forefront oftechnology and has steered the course ofthe telecom sector in the country with itsworld class products and services.Client’s DSL subscriptions were growingat rapid pace in another circle. TheOperations Support System (OSS) isbuckling down and is not able to scale upto the growing needs. The OSS was builtin-house 5 years back and was developedon primitive version of one of the freedatabase - MySQL. In order to meet thegrowing needs, as a first step, Clientdecided to migrate the database of OSSfrom MySQL 3.x to Oracle 10g, a leadingdatabase for enterprise applications. Thekey to making this operation efficientClient approached Sigma Infosolutions.SuccessesMigration of OSS Database from MySQL 3.x to Oracle 10g. Sigma has extensiveexperience in managing large scale data migration projects for largeenterprise customers. Sigma is well versed with MySQL as well as with Oracleand has resources having expertise in database related issues.
  3. 3. Technology Oracle Database 10g MySQLBusiness Benefits 35% cost savings on functionalitydevelopment Complete set of data, functioningalarms in real-time Ongoing operating costs at or betterthan budget Low system overhead and lowersupport costs Monthly technical availability isSolutionSigma Infosolutions’ development team successfully compiled the architecturerequired for the project and followed waterfall model ensuring that the integration ofthe system proceeds along with user testing.Key Modules Developedo Mapping of complex relationships from disparate sourceso Faster retrieval of data from OSSo Fast scale up and maintaining the application became easier as it is nowcompatible with latest version of Oracleo Better and standard way of data retrieval architecture was appliedwww.sigmainfo.netNext PhaseOracle 10g offers many more newfeatures of the shelf and this reduces thee f f o r t s n e e d e d t o c a r r y o u tenhancements in the future. Many ofthese have been proposed to Client in theapproach document from Sigma and canbe included in later phases.
  4. 4. Performance tuning in practice; a hands on approachAbout Sigma Infosolutions“ Sigma Group, an Indian conglomerate has more than 4 decades of experience in Mining, Chemicals Manufacturing & Export,Handicrafts Manufacturing & Exports, and Software Development Sigma Infosolutions is a TUV certified ISO 9001:2008 and ISO 27001:2005 company Headquartered in US with development center in India Some of our esteemed customers include Airtel, Zyme Solutions, Yodlee, Celerity Consulting, Resolution Economics, BirlaGlobal Asset Finance, Fosroc Chemicals, Surgery Planet etc. Sigma Infosolutions’ services comprises of application development, application management, IT Consulting, Offshore testing,and Website and Portal DevelopmentSigma Infosolutions, Sigma Towers, #66/A, 13th Cross6th Main, JP Nagar, 3rd Phase, Bangalore- 560078Telephone: +91-80-40865100Sigma Infosolutions, 2082 Michelson Dr.Suite 100, Irvine, CA 92612Telephone: +1-714-717-1826Fax: +1-866-405-6750, Toll Free: 1-888-861-7360Website: www.sigmainfo.netE-mail: sales@sigmainfo.netToll Free: 1-888-861-7360