202_etl testing 1

Upload: sanket-kohli

Post on 01-Mar-2018

216 views

Category:

Documents


0 download

TRANSCRIPT

  • 7/26/2019 202_ETL Testing 1

    1/1

    Mind Q Systems Private Limited

    Mind Q Systems Pvt Ltd

    Ph: +91.40.66 66 42 91 / 92

    Email: [email protected]; Url: www.mindqsystems.com; : www.facebook.com/mindqsystems

    ETL Testing

    What is Data Warehousing?

    Difference between OLTP and

    Data Warehousing

    Data Acquisition

    Data Extraction

    Data Transformation

    Data Loading

    Data Marts

    Dependent DM

    Independent DM Database Design

    Star Schema

    Fact Constellation Schema SCD (Slowly

    Changing Dimensions)

    TYPE1SCD

    TYPE2SCD

    TYPE3SCD Basic concepts in SQL

    Overview of ETL Tool Architecture

    Components in ETL Tool

    White Box and Block Box testing

    functionality in different

    transformation rules:

    SAMPLE Loading from source target

    SORTER Transformation

    FILTER Transformation

    ROUTER Transformation

    EXPRESSION Transformation

    JOINER Transformation

    UNION Transformation

    AGGREGATOR Transformation

    RANK Transformation

    STORED PROCEEDURE Transformation

    SEQUENCE GENERATOR Transformation

    Flat File

    SQL Transformation

    Data warehousing Life Cycle

    Different Types of testing

    techniques in ETL

    MINUS Query

    COUNT Query