Etl/sql Testing Resume
Rochester, MN
PROFESSIONAL SUMMARY:
- Around 7+ years of experience in software Analysis, Design and Software Quality Assurance Testing in client server, ERP, Web based E - Commerce, Data warehousing Ab Initio, Informatica, SSIS, Data Stage and enterprise applications on UNIX and Windows environments
- Experience in Ab Initio, Informatica based ETL testing for data warehouse and business intelligence solutions.
- Strong experience in writing Test Plans, Test Conditions, Defining Test Cases, Developing and maintaining Test Scripts, analyzing the results of scripts, interaction with team members in fixing the errors
- Strong working knowledge of complete Software development life cycle with timely delivery against aggressive deadlines
- Strong working experience with Mercury testing Product Quality Center and Test Director
- Good understanding of quality assurance testing methodology relative to the Software Development Lifecycle SDLC
- Extensive working experience on Integration Testing, Functional Testing, GUI Testing, Regression Testing, System Testing, Database Testing.
- Involved in stages of Test Analysis and User Acceptance Testing.
- Provided Efforts, Estimate and coordinated the test schedule using Agile testing methodology in UAT phase
- Experienced in Database Testing using SQL queries on RDBMS databases like SQL Server and Oracle.
- Strong experience in using Quality Center and Test Director for Requirement Management, Test Planning, Test Case development, Test Case execution and Defect Tracking
- Experience in identifying and documenting in detail discrepancies between actual and expected results
- Ability to handle multiple tasks and work independently and in a team environment
- Ability to communicate with both Business and Technical Project Team members
- Strong interpersonal, communication and writing skills
TECHNICAL SKILLS:
ETL Tools: Informatica 8.6.1/8.6/8.5/8.1/8.0 Informatica Power Exchange (Designer, Workflow Manager & Monitor, Server Manager, Power Connect), SSIS, Ab Initio (GDE 1.15, CO>Op 2.15), Data Stage 7.x
Data Modeling: Star Schema Modelling, Snow Flake Modelling, Erwin 4.0
Databases: Oracle 10g/9i/8i, Teradata V2R5 and V2R6/V12 (Manager, SQL Assistant, PMON),MS SQL Server 2008/2005/2000 , DB2 8.0, Sybase 12.5
OLAP Tools: Business Objects XIR2/XI/6.5, Cognos 8.0 Series, Crystal Reports
Languages: SQL, PL/SQL, Unix Shell Script, Perl Script, XML, HTML, Visual Basic
Tools: Microsoft Office - Word, Excel, Access, Visio, PowerPoint, Toad, SQL* Loader, PVCS, Autosys
Operating Systems: Windows 2003/2000/NT, IBM AIX, Sun Solaris, Linux, HP Unix
PROFESSIONAL EXPERIENCE:
Confidential, Rochester, MN
ETL/SQL Testing
Responsibilities:
- Written SQL Queries to define, Identify and validate the code written for the data movement into the database tables.
- Participated in meetings with Business Analyst and Design Review meetings with the Developers for better understanding of the modules
- Prepared test plan, strategies and estimations
- Written various UNIX SHELL SCRIPTS for file manipulation, data parsing, text processing, job scheduling and cleanup needs.
- Source to target requirements, etl map specifications and business requirements were referred to write precise test cases
- Conducted walkthroughs with business and development team to get the approval of the test cases.
- Performed smoke test to make sure all the test environment is set and executed the test cases in QC
- Used Quality Center to log the defect and follow the complete defect cycle
- Conducted status meetings with Development Team and QA Team to discuss and resolve the issues reported in QC
- Used Control-M to test the batch interface jobs and their dependencies.
- Involved in developing, debugging and executing Unix Shell scripts.
- Performed regression testing of the application once the defect is fixed.
- Performed negative testing on the different modules of the application
- Wrote and executed test scripts and test cases for different source to staging, staging to accredited and accredited to data warehouse data flows.
- Participated in Functional and Design Review meetings of conversion components
- Participated in meetings on peer review of test cases on conversion components mentioned above and secured sign off on them before conversion test execution.
- Tested the above components by running the Ab Initio ETL jobs in UNIX box, verified and validated the requirements as per Functional and Design specs.
- Logged defects into Mercury Quality Center and participated in Defect Resolution daily meetings
- Writing Queries, Various DML statements, applying join conditions, functions to analyze the data in the database using SQL Server Manager.
- Writing Sub Queries, Correlated Sub queries to retrieve data from multiple tables.
- Interacting with BA s, Team leads for any clarifications or in getting data that should be provided/ dependent on different conditions.
- Interacted with BA s, Developers, Team leads to resolve the issues.
- Regressed fixed defects to closure
- Peer - reviewed test cases written by peers at onsite and offshore
- Mentored new test analysts at Wipro Offshore, India
- Submitted a weekly report on test case development and execution
- After successful completion of SIT, was involved in UAT support activities.
Environment: Unix IBM - AIX, Ab Initio (GDE 1.15, Co>Op 2.15), Oracle 10i, Mercury Quality Center, Toad, Toad for DB2, SQL, PL/SQL, XML Files, XSD, XSLT, XML Spy 2010, VSAM Files, MVS, JCL, Shell Scripting, PERL, Control-M
Confidential, Wilmington, DE
ETL/SQL Testing
Responsibilities:- Conducted source-system data analysis to understand current state, quality and availability of existing data.
- Involved in supporting UAT testing execution in Hotfix environment.
- Given technical support to the UAT team in terms of writing the SQL code.
- Designed & Created Test Cases based on the Business requirements.
- Responsible for testing transformation/default value population logic according to mapping documents while testing batch/DW jobs.
- Developed and executed Complex SQL queries for verifying Transformation rules against ORACLE, SQL-Server 2005, Teradata and DB2
- Validated Source to target documents that are used in building interfaces are according to system requirement documents.
- Involved in extensive DATA validation using SQL queries and back-end testing
- Used SQL for Querying the database in UNIX environment for testing the business rules imposed on data movement.
- Involved with Design and Development team to implement the requirements.
- Developed and Performed execution of Test Scripts manually to verify the expected results.
- Validated that design meets requirements and function according to technical and functional specifications.
- Used HP Quality Center 9.2 to state requirements, business components, test cases, and test runs for every iterations, defects. Also link defects with requirements.
- Worked with other members of the QA and Development teams and offshore team in improving the processes, methods, effectiveness and efficiency
- Designed Source to Targets mapping.
- Performed front-end testing on OBIEE Executive Dashboard portal
- Coordinating with source system owners, day-to-day ETL progress monitoring, Data warehouse target schema Design (Star Schema) and maintenance.
- Generate data requirements and system specifications in an organized fashion for business solutions and for the developers to follow on.
- Used TOAD & SQL Navigator GUI tools for Querying Database.
- Documented and reported various bugs during Manual Testing.
- Involved in running the ETL loads in development server
- Written SQL Queries to define, Identify and validate the code written for the data movement into the database tables.
- Retesting the resolved defects/issues after the developers fix the defects
- Involved in preparing test data for UAT and participated in UAT signoff
- Created Logical Data Model as a blended configuration of Conceptual Model elements along with material deemed essential and/or useful from the source-system analysis.
- Developed the strategies for analyzing the data for ETL Team
- Updated the status of the testing to the QA team, and accomplished tasked for the assigned work to the Project Management team regularly.
Environment: MVS, ISPF, OS/390, JCL, COBOL II, VSAM, Erwin, Test Cases, Test Scripts, Test Plan, Copy Books,, Informatica 8.1/ 7.1.4, Oracle 8i/9i/10G, Teradata V2R5/V2R6 Teradata SQL Assistant, SQL Server 2000,OBIEE, Flat files, PL/SQL, SAS/ETL, SAS/ODS, SAS/MACROS, SAS/STAT, TOAD 8.0, SQL, UNIX, Maestro 8.0 (Tivoli Work Scheduler), Charm, Remedy, Test Director
Confidential, Durham, NC
Data/SQL Tester
Responsibilities:
- Involved in Business analysis and requirements gathering.
- Assisted in creating fact and dimension table implementation in Star Schema model based on requirements.
- Involved in complete project software development life cycle (SDLC) and Quality Assurance Life Cycle (QALC)
- Responsible for Data quality checks in OLAP data.
- Worked closely with the User Acceptance Test Coordinator, Project Manager and Business system analysts to understand business processes and develop concrete User Acceptance Test cases.
- Review and rework of the deliverables from team members.
- Developed test scenarios for testing Enterprise Data warehouse and Credit Data Mart data in DB2 environment.
- Developed SQL scripts to validate the data loaded into warehouse and Data Mart tables using Informatica.
- Developed Reports and Graphs to present the results to the management.
- Developed several Unix Shell scripts for running the jobs.
- .Performed Data Driven Testing of the Application for different users/data sets
- Preparation of test data for various levels of testing
- Performed segmentation to extract data and create lists to support direct marketing mailings and marketing mailing campaigns.
- Load new or modified data into back-end Oracle database.
- Optimizing/Tuning several complex SQL queries for better performance and efficiency.
- Created various PL/SQL stored procedures for dropping and recreating indexes on target tables.
- Worked on issues with migration from development to testing.
- Designed and developed UNIX shell scripts as part of the ETL process, automate the process of loading, pulling the data.
- Validated cube and query data from the reporting system back to the source system.
- Tested analytical reports using Analysis Studio
Environment: SQL, PL/SQL, T-SQL, SAS/BASE 8.1, SAS/Access, SAS/Connect, Informatica Power Center 7.1 (Power Center Designer, workflow manager, workflow monitor), Test Director, DB2, SQL *Loader, Cognos 7.0,Oracle8i, SQL Server 2000, Erwin 3.5, Windows 2000, TOAD 7, XML Files, VSAM Files, Dat Files
Confidential, Reston VA
ETL Tester
Responsibilities:
- Designed Sources to Targets mapping from primarily Flat files to Oracle using Informatica PowerCenter.
- Coordinated with source system owners, day-to-day ETL progress monitoring, Data warehouse target
- schema design (Star Schema) and maintenance.
- Worked on Informatica PowerCenter 6.1 tool - Source Analyzer, Data warehousing designer, Mapping Designer, Mapplet & Transformations.
- Designed and developed UNIX scripts for creating, dropping tables which are used for scheduling the jobs.
- Wrote pre-session shell scripts to check session mode (enable/disable) before running/ schedule batches.
- Various kinds of the transformations were used to implement simple and complex business logic. Transformations used were: Remote Procedure, connected & unconnected lookups, Expressions, source qualifier, aggregators, filters, sequence generator etc.
- Main contact for vendor regarding technical and user issues for the design, development and maintenance of the new Oracle based client-server software system.
- Designed a new system for the Fire Prevention Department using Tidemark’s Advantage, Utilities, Designer and Import/Export modules.
- Created links between Fire Prevention Department case types never done before in Tidemark Advantage.
- Supported the Tidemark Permit Plan / Advantage client-server software and AIRS (Automated Inspection Request System) for the Department of Planning and Development and Fire Prevention Department for over six years.
- Main technical advisor for the customer departments.
- Coordinated efforts with several departments for data transfers and data standardization across micro and mainframe platforms.
- Created links between Tidemark Permit Plan / Advantage and other batch and real-time, third-party software systems.
- Worked closely with third-party software vendors.
- Prepared program specifications for PL/SQL Procedures and Functions to do the data migration and conversion.
- Analyzed and prepared Statement of Work and Requirement Definition Document.
- Creating the Oracle schema i.e. table spaces, tables, indexes, constraints, triggers, synonyms, Database links, roles etc. Implementing basic replication using snapshots.
- Developed Test Plans and tested the application to ensure proper functionality, data accuracy and that modifications have no adverse Impact on integrated system environment.
Environment: Oracle 8i (SQL, PLSQL), Forms 4.5i, Reports 2.5i, TOAD, PERL, Shell Scripting, XML
