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Data Sql

Location:
Greensboro, NC
Posted:
March 07, 2017

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Resume:

Rajesh Raparthi acy587@r.postjobfree.com

Phone # 551-***-****

PROFESSIONAL EXPERTISE

8+ years of experience in Oracle database, SQL, PL/SQL, and SAS technologies involving database design, application development, implementation, quality testing, statistical analysis, and support.

Involved in database design and data modeling to create ER diagram and database objects

Experience of complete Software Development lifecycle (SDLC) process

Experience in quality testing of data-warehouse objects, using a customized scripts based on in-house methodology.

Experience in utilizing Bug tracking system JIRA, and co-coordinating with developers/managers and other QA members

Proficient in writing stored and application procedures, packages, database triggers and functions using PL/SQL

Experience in maintaining and developing database objects like tables, views, indexes, sequences, synonyms etc

Experience in utilizing oracle analytical and decoding functions and dealing with multi-terabytes database

Experience and knowledge of FTP transfer from UNIX to Windows and vice versa

Developed Interactive User Interfaces using Forms 6i/9i and generated reports using Reports 6i

Fundamental understanding of materialized views, replication, and external tables

Experience utilizing dynamic SQL (dbms_sql, Execute Immediate) functionality

Developed SQL*Loader control programs to transfer external data into staging tables. Written PL/SQL validation scripts to transfer clean data from staging tables to production tables

Utilized oracle advance features like Bulk Bind (Bulk_collect, For all), Ref Cursor, and Index-By Tables.

Generated Excel Reports using oracle supplied package UTL_FILE for data analysis purpose

Knowledge and experience of Data Analysis, Data Warehousing, and ETL Techniques

Conceptual understanding of Data marts, OLAP, OLTP, STAR Schema, and Snowflake schema

Expertise in Oracle 10g/9i/8i database server, forms 6i/9i and reports 6i/9i, and tools like SQL Plus, SQL Developer, TOAD, Data Loader, SQL * Loader, and RapidSQL

Experience and knowledge of Apex 3.0, HTML, CSS, and JavaScript

Good understanding of data mining concepts, ETL processes, and data modeling concepts such as design of the dataflow, ER Diagrams, Normalization and Denormalization of tables

Experience and knowledge of SAS statistical software, used SAS/BASE, SAS macros, SAS/GRAPH, SAS/STAT for data and statistical analysis

Involved in unit testing, functional testing, system testing, data validation, and user acceptance testing

Experience in tuning complex SQL statements using Explain plan and SQL trace

Strong Inter-personal, analytical, and problem-solving skills with proven ability to deliver excellent results in competitive environment

Technical Skills

Database: Oracle Developer Forms 10g/9i/6i. Reports 10g/9i/6i, Oracle EBS 11i.

Programming Languages: PLSQL, SQL, C, C++, VBA, SAS 9.0, MATLAB, AWK, HTML, CSS, DHTML, Shell Scripting

PROFESSIONAL EXPERIENCE

Vanity Fair, Greensboro Jan 2015 – Till Date

Oracle PL/SQL Developer

Managed the implementation of the first master data hub for Material, customer, vendor, and product, within a larger program that is merging two new companies into VF, upgrading SAP, and implementing SOA. Worked closely with the MDM Vendor, Customer and Material the SOA team on data architecture, design, and business rule efforts. Prioritized change requests, determined associated design changes, and coordinated with the various teams on MDM updates and releases to keep all components in synch. Led the effort to establish Master Data Governance and Stewardship, collaborating with IT and business people to determine the initial structure, roles, and participants. Evangelized the value of data governance and developed presentations for various levels of the organization. Created an initial data governance charter and process diagrams for maintenance, change management, and issue resolution. Managed offshore and onshore resources to develop the MDM application, along with the implementation of a business glossary, metadata repository, data quality metrics and dashboards.

Initially, I also managed the Business Intelligence team until a manager was hired. I also filled the data architect role and designed the short-term and long-term BI data architecture, along with modeling the Order to Cash data mart, the master data dimensions, and developing the data standards for business terms, logical and physical naming standards and associated rules.

Responsibilities:

Involved in designing, developing, and testing of PL/SQL stored procedures, packages and triggers.

Developed complex SQL and PL/SQL queries.

Created database objects like Tables, views, synonyms, Indexes.

Used SQL*Loader to load data from external system and developed PL/SQL programs to dump the data form staging tables into base tables.

Extensively wrote SQL Queries (Sub queries, correlated sub queries and Join conditions) for generating various kinds of reports as per the user requirement.

Involved in reports designing and developing. Involved in integrated reporting capability.

Developed the Stored procedures using PL/ SQL Tables and records to generate the output in XML format.

Involved in the data analysis and data discrepancy reduction for the source and target schemas.

Scheduled the jobs using crontab in UNIX.

Using UNIX shell scripting created batch jobs to create Index and Analyze tables once the Imports are done.

Automating data loading, extraction, report generation using UNIX shell scripting.

Involved in writing Oracle PL/SQL packages, functions, procedures, Korn Shell scripts that were used for staging, transformation and loading of the data into base tables.

Provided support for the application database related issues.

Involved in coding, debugging, and trouble-shooting.

Involved in Data loading and data migration - Used SQL * Loader to load data from excel file into staging table and developed PL/SQL program to load data from staging table into base tables.

Used Erwin for designing Database both logical and physical data modeling.

TOAD, SQL Developer tools were used to develop programs and executing the queries.

Developed forms using forms 6i based on business requirements.

Worked with SQL Query performance issues. Used index logic to obtain the good performance.

Involved in Installation and configuration of oracle 11g.

Understanding the changes for the code review.

Riversand Technologies, TX Sep 2013 – Dec 2014

Oracle PL/SQL Developer

Responsibilities:

Involved in designing, developing, and testing of PL/SQL stored procedures, packages and triggers.

Developed complex SQL and PL/SQL queries.

Created database objects like Tables, views, synonyms, Indexes.

Used SQL*Loader to load data from external system and developed PL/SQL programs to dump the data form staging tables into base tables.

Extensively wrote SQL Queries (Sub queries, correlated sub queries and Join conditions) for generating various kinds of reports as per the user requirement.

Designed star schema using dimensional modeling and created fact tables and dimensional tables. Used Erwin for Logical and Physical database Modeling.

Installation and configuration of Informatica Power Mart

Used Informatica Designer (Power Mart) to create complex Mappings

Created mappings using various Transformations like Source Qualifier, aggregator, expression, filter, joiner, lookup, update strategy, sequence generator and prepared Documentation for the Mappings

Developer several Informatica mappings that transfers data from source the Data Mart.

Created Source definitions, Source Tables, Target definitions and Target Tables.

Used Informatica Server Manager to create sessions/ batches to run with the logic embedded in the mappings.

Tuning Informatica session parameters for performance and running them.

Prepared documentation of Informatica ETL implementation.

Involved in reports designing and developing. Involved in integrated reporting capability.

Developed various reports using oracle reports builder 6i and upgrades the existing reports

Developed the Stored procedures using PL/ SQL Tables and records to generate the output in XML format.

Involved in the data analysis and data discrepancy reduction for the source and target schemas.

Scheduled the jobs using crontab in UNIX.

Using UNIX shell scripting created batch jobs to create Index and Analyze tables once the Imports are done.

Automating data loading, extraction, report generation using UNIX shell scripting.

Involved in writing Oracle PL/SQL packages, functions, procedures, Korn Shell scripts that were used for staging, transformation and loading of the data into base tables.

Provided support for the application database related issues.

Involved in coding, debugging, and trouble-shooting.

Involved in Data loading and data migration - Used SQL * Loader to load data from excel file into staging table and developed PL/SQL program to load data from staging table into base tables.

Used Erwin for designing Database both logical and physical data modeling.

TOAD, SQL Developer tools were used to develop programs and executing the queries.

Developed forms using forms 6i based on business requirements.

Worked with SQL Query performance issues. Used index logic to obtain the good performance.

Involved in the monitoring of database performance in Enterprise Manger console.

Implemented server side rest full Webservices for external vendors to access our applications.

Involved in Installation and configuration of oracle 11g

Accession Health Care, St. Louis July 2011 -Aug2012

Oracle PL/SQL Developer

Responsibilities:

Monitoring existing SQL code and performance tuning and monitoring if necessary.

Extensively involved in new systems development with Oracle 9i.

Supported direct mail campaign strategies. Provided segmented data to end-users.

Interact with business analysts to develop modeling techniques and re-structuring strategies.

Involved in Unit Testing of each module.

Created Forms and Reports using Forms 9i and Reports 9i respectively.

Designed the Entity-Relationship model and normalized database.

Documentation of all modules for user level and system level maintenance.

Designed and developed a custom database (Tables, Views, Functions, Procedures, Packages)

Read data from flat files to oracle tables using SQL*loader.

Prepared the detailed design document, test cases and use cases for business requirements

Extraction, Transformation and Load was performed using Informatica Power Center to build the data warehouse.

Extensively used the Enterprise Resource Planning modules (ERP).

Involved in large and complex data conversion and data modelling project from the existing system to the new system which did help End-Users

Loaded data into warehouse using PL/SQL Scripts, ETL tools, SQL*Loader.

Used high system securities such as unique passwords, vpn etc.

Measuring and reporting response rates using Excel, PL/SQL scripts.

Involved in the production support and solved the tickets that are raised by the end users.

Developed Unix Shell scripts to automate repetitive database processes

Automated FTP (TCP/IP) process

Written add-in and macros for Business Objects reports.

Chesapeake Energy, Oklahoma July 2010 – June 2011

Oracle PL/SQL Developer

Responsibilities:

Studied user requirements and functional specifications.

Converted User Requirements into formal Functional specification and Interfacing with client.

Designed, Partitioned, Developed and Maintained the database.

Worked to define the project implementation strategies.

Developed Entity Relationship diagrams/Dimensional Diagrams for business requirements using ERWIN.

Designed and developed Oracle Forms & Reports using Forms10g and Reports 10g. Including Forms based on stored procedures.

Developed ETL's for Data Extraction, Data Mapping and data Conversion using SQL, PL/SQL and various shell scripts in Data stage.

Involved in writing Oracle PL/SQL functions, procedures and packages in Oracle RAC environment.

Written Bash Shell scripts that were used for staging, transformation and loading of the data into base tables.

Used CRONJOB for job scheduling on UNIX as well as tools like Autosys to run regular day to day administration scripts and setting up batch scripts.

Developed the stored procedures using PL/SQL Tables and records to generate the output in XML format and pull data from Web services and from XML format and parse it and load it into tables.

Enhancing the existing packages for better performance and providing on-going support to existing applications and troubleshooting serious errors when occurred.

Used Bulk processing for performance enhancement.

Created UNIX shell scripts using SQL*Loader, SQL*Plus and PL/SQL programs that run as nightly interfaces.

Worked on generating EDI for STA, ASN segments and few custom based invoices belonged to Invoice, Status and Entry and Generic EDI for most of the customers for the EMS application.

Written shell scripts and executed them as Cron jobs on UNIX.

Was responsible for development and testing of conversion programs for importing data from text files into Oracle database utilizing SQL *Loader.

OMS3 India PVT LTD, Hyderabad Jan 2006 – June 2010

Oracle PL/SQL Developer

Responsibilities:

Created the database Objects such as Tables, Views, Indexes, constraints

Involved in Development, Testing and Maintenance of the System

Developed the forms for the application and developed Procedures and functions at application level.

Created the Stored Procedures, functions and Packages using PL/SQL.

Oracle PL/SQL functions, procedures, Korn Shell scripts were used for staging, transformation and loading of the data into base tables

Performed data loading using Data Loader to the data into staging tables.

Created PL/SQL procedures in order to dump the data from staging tables to base tables

Scheduled the jobs using crontab, in UNIX.

Database backup and recovery using Export/ Import, Hot or Cold backups or through RMAN

Monitoring alert logs & resolving problems, if any

Writing database backup scripts.

Restoring and Recovering Database while crashes.

ISBS Installation, Setup, up gradation by installing patches

Conduction of training programs for bank 's DBA

Responsible for developing reports as per Customers order using reports

Involved in developing front end screens using forms 6i and generated reports using reports 6i.

Created Editors, Created List of Values and Record Groups in Oracle Forms 6i.

Developed Customer transaction upload module to load data into database from flat file with business validation (Package, Procedures & Triggers are used).

Worked closely with quality assurance and development teams to clarify and understand the functionality to resolve issues and provide feedback in terms of the test matrices and to nail down the bugs.

Involved during User Acceptance Testing of the application.



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