ETL Testing Training in Chennai

ETL Testing is a process of checking ETL Process is working smoothly or not. ETL Testing helps to end-users avoid disrupting the transaction processes itself. ETL Testing helps to improve overall data quality and promotes greater organizational and operational efficiency. Greens Technology offering No.1 ETL Testing Training in Chennai. ETL Process has been tested by several ways.

• Accuracy Testing
• Completeness Testing
• Data Validation Testing
• Software Testing
• Metadata Testing
• Syntax Testing
• Reference Testing
• Interface Testing
• Performance Testing

ETL Testing Training in Chennai:

Training in Tambaram is one of the best ETL Testing Training Institutes in Chennai. We are focusing Placement based hands-on training for ETL Testing Course. Our ETL course Trainers are taking the classes from basic level to Advanced Level. Our Students can get the job easily in MNC companies in Chennai once complete their ETL Testing Classes. Our ETL Testing Course content and syllabus are revised monthly once by our experienced trainers. Our ETL Testing training syllabus is designed for fulfilled to our student’s needs. Students can get the up-to-date technical knowledge in ETL Testing field. Our 6+ years of experienced trainers are working hard to improve their student knowledge and helps to attend the interviews confidently.

Our Training center offering ETL Testing Training in various places around the Chennai. We are providing well infrastructure with fully equipped lab facilities to our students. We pay more attention to the needs of our students. Already we have trained more than 200+ Students in Chennai with placement. ETL Testing Training timing schedule on weekday classes, Weekend classes, Evening classes and Fast Track classes. Our ETL Testing Course fees is based on student’s requirement and value for money. After completing ETL Testing Classes, providing free resume building classes, Aptitude classes, Mockup Interview Sessions.

Our ETL Testing Course syllabus covering some important topics like DWH: Data ware housing concepts, Data Marts, Dimensional Modelling, ETL Architecture, ETL Testing Work flow, ETL Testing real time project and ETL Testing placement training in Chennai.

ETL Testing Training in Chennai syllabus:

DWH: Data Ware Housing Concepts

• What is Data Warehouse?
• Need of Data Warehouse
• Introduction to OLTP, ETL and OLAP Systems
• Difference between OLTP and OLAP
• Data Warehouse Architecture
• Data Marts
• ODS [Operational Data Store]
• Dimensional Modelling
• Difference between relation and dimensional modeling
• Star Schema and Snowflake Schema
• What is fact table
• What is Dimension table
• Normalization and De-Normalization

ETL Testing

• ETL architecture
• What is ETL and importance of ETL testing
• How DWH ETL Testing is different from the Application Testing
• SDLC/STLC in the ETL Projects (ex: V Model, Waterfall model)
• Challenges in DWH ETL Testing compare to another testing
  • Incompatible and duplicate data.
  • Loss of data during ETL process.
  • Testers have no privileges to execute ETL jobs by their own.
  • Volume and complexity of data is very huge.
  • Fault in business process and procedures.
  • Trouble acquiring and building test data.
• ETL Testing Workflow activities involved
  • Analyze and interpret business requirements/ workflows to Create estimations
  • Approve requirements and prepare the Test plan for the system testing
  • Prepare the test cases with the help of design documents provided by the developer team
  • Execute system testing and integration testing.
  • Best practices to Create quality documentation (Test plans, Test Scripts and Test closure summaries)
  • How to detect the bugs in the ETL testing
  • How to report the bugs in the ETL testing
  • How to coordinate with developer team for resolving the defects
• Types of ETL Testing
  • Data completeness.
  • Data transformation.
  • Data quality.
  • Performance and scalability.
  • Integration testing.
  • User-acceptance testing.
• SQL Queries for ETL Testing
• Incremental load testing
• Initial Load / Full load testing
• Different ETL tools available in the market
  • Informatica
  • Ab Initio
  • IBM Data stage
• Power Center Components
  • Designer
  • Repository Manager
  • Workflow Manager
  • Workflow Monitor
  • Power Center Admin Console
• Informatica Concepts and Overview
  • Informatica Architecture.
• Sources

Working with relational Sources

• • Working with Flat Files
• Targets
  • Working with Relational Targets
  • Working with Flat file Targets
• Transformations – Active and Passive Transformations
  • Expression
  • Lookup –Different types of lookup Caches
  • Sequence Generator
  • Filter
  • Joiner
  • Sorter
  • Rank
  • Router
  • Aggregator
  • Source Qualifer
  • Update Strategy
  • Normalizer
  • Union
  • Stored Procedure
  • Slowly Changing Dimension
    • SCD Type1
    • SCD Type2 — Date, Flag and Version
    • SCD Type3
• Workflow Manger
  • Creating Reusable tasks
  • Workflows, Worklets & Sessions
  • Tasks
• Session
• Decision task
• Control Task
• Event wait task
• Timer task
  • Monitoring workflows and debugging errors
• Indirect Loading
• Constraint based load ordering
• Target Load plan
• Worklet, Mapplet, Reusable transformation
• Migration? XML migration and Folder Copy.
• Scheduling Workflow
• Parameter and variables
• XML Source, Target and Transformations
• Performance Tuning
  • Pipeline Partition
  • Dynamic Partition
  • Pushdown optimization
• Preparation of Test Cases
• Executing Test case
• Preparing Sample data
• Data validation in Source and target
• Load and performance testing
• Unit testing Procedures.
• Error handling procedures.