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            Online Selenium Software ETL Testing Training at Chennai


 



  • DATA WAREHOUSING CONCEPTS:

    • DBMS and RDBMS

    • What is Data Warehousing and necessity of it?

    • Data warehousing architecture

    • OLAP,ROLAP, MOLAP

    • Data mining

    • Meta data

    • Tables, views

    • Constraints

    • Fact and Dimensional Tables

    • Partitioning of tables

    • Concepts of Referential Integrity

    • Concepts of Modelling

    • Database Schema

    • Concepts of normalization

    • Concepts of Slowly Changing Dimensions

    • Concepts of Data Mart

    • Full and Incremental extraction Process

    • Change Data capture



  • SQL CONCEPTS:

    • DDL, DML commands

    • All the basic functions (Character Functions, Conversion Functions, Advanced functions, Mathematical Functions and Date Functions)

    • Joins

    • Practice SQLs for some sample test scenarios



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