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ETL Testing Course

ETL is a data integration technology that extracts data from several heterogeneous data sources, combines and standardizes the data, then presents or stores the data in a uniform format for informational purposes.

ETL Testing

Extraction Transform and Load (ETL)

ETL is a data integration technology that extracts data from several heterogeneous data sources, combines and standardizes the data, then presents or stores the data in a uniform format for informational purposes. ETL is necessary because many non-modern system architectures evolved over the years in environments where data was typically captured, processed and stored by separate and distinct software applications and databases. As a result, the data residing in the databases of many companies is typically non-standardized.

ETL Testing Training Curriculum

Introduction to Data Warehousing & Business Intelligence
Data ware house is relational database which is subject oriented, integrated, time-variant and non volatile collection of data used to support strategic decision making process.
• What is Data Ware House?
• Difference between OLTP and Data Warehousing

ETL Testing Concepts

After a good understanding of data warehousing concepts, we’ll now focus over ETL testing concepts.

• Introduction
• What is use of testing
• What is quality & standards
• Responsibilities of a ETL Tester
• Data Acquisition
• Data Extraction
• Data Transformation
• Data Loading
• Data Marts

Test Plan – Distinctive Features for BI-DW projects

In this module of ETL testing training, we’ll focus over business intelligence and data warehouse projects.
• Testing Objectives
• Testing Strategies
• Testing Delivery
• Hands on Exercises and use cases for ETL Testing online training

This module of ETL testing online training, aims to help you explore the subject as well provide a good hands on.
• Bug Identification
• Usage of Sql for automate the process
• Auditing count of records
• Validation of data and identifying issues
• Exceptional handling
• Meta Data
• Performance Testing (ETL, Query)
• Volume Testing

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What is ETL?

In data warehousing architecture, ETL is an important component, which manages the data for any business process. ETL stands for Extract, Transform and Load. Extract does the process of reading data from a database. Transform does the converting of data into a format that could be appropriate for reporting and analysis. While, load does the process of writing the data into the target database.

Explain what are the ETL testing operations includes?

ETL testing includes

  • Verify whether the data is transforming correctly according to business requirements
  • Verify that the projected data is loaded into the data warehouse without any truncation and data loss
  • Make sure that ETL application reports invalid data and replaces with default values
  • Make sure that data loads at expected time frame to improve scalability and performance

Mention what are the types of data warehouse applications and what is the difference between data mining and data warehousing?

The types of data warehouse applications are

  • Info Processing
  • Analytical Processing
  • Data Mining

Data mining can be define as the process of extracting hidden predictive information from large databases and interpret the data while data warehousing may make use of a data mine for analytical processing of the data in a faster way. Data warehousing is the process of aggregating data from multiple sources into one common repository

What are the various tools used in ETL?

  • Cognos Decision Stream
  • Oracle Warehouse Builder
  • Business Objects XI
  • SAS business warehouse
  • SAS Enterprise ETL server

Explain what are Cubes and OLAP Cubes?

Cubes are data processing units comprised of fact tables and dimensions from the data warehouse. It provides multi-dimensional analysis.

OLAP stands for Online Analytics Processing, and OLAP cube stores large data in muti-dimensional form for reporting purposes. It consists of facts called as measures categorized by dimensions.

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Course Curriculam

ETL Testing Course Modules

Duration: 45 Days

Support: 24×7

Video: Yes

ETL Testing Certified Professional