Training Cloudera

Training goals dlearning

code: CL-DAT

Cloudera University’s four-day Data Analyst Training course will teach you to apply traditional data analytics and business intelligence skills to big data. This course presents the tools data professionals need to access, manipulate, transform, and analyze complex data sets using SQL and familiar scripting languages.

Advance Your Ecosystem Expertise:

Apache Hive makes transformation and analysis of complex, multi-structured data scalable in Cloudera environments. Apache Impala enables real-time interactive analysis of the data stored in Hadoop using a native SQL environment. Together, they make multi-structured data accessible to analysts, database administrators, and others without Java programming expertise.

What to Expect

Through instructor-led discussion and interactive, hands-on exercises, participants will navigate the ecosystem, learning:

  • How the open source ecosystem of big data tools addresses challenges not met by traditional RDBMSs
  • Using Apache Hive and Apache Impala to provide SQL access to data
  • Hive and Impala syntax and data formats, including functions and subqueries
  • Create, modify, and delete tables, views, and databases; load data; and store results of queries
  • Create and use partitions and diŹerent file formats
  • Combining two or more datasets using JOIN or UNION, as appropriate
  • What analytic and windowing functions are, and how to use them
  • Store and query complex or nested data structures
  • Process and analyze semi-structured and unstructured data
  • Techniques for optimizing Hive and Impala queries
  • Extending the capabilities of Hive and Impala using parameters, custom file formats and SerDes, and external scripts
  • How to determine whether Hive, Impala, an RDBMS, or a mix of these is best for a g

Audience & Prerequisites:

This course is designed for data analysts, business intelligence specialists, developers, system architects, and database administrators. Some knowledge of SQL is assumed, as is basic Linux command-line familiarity. Prior knowledge of Apache Hadoop is not required.

Conspect Show list

  1. Apache Hadoop Fundamentals
    • The Motivation for Hadoop
    • Hadoop Overview
    • ata Storage: HDFS
    • Distributed Data Processing: YARN, MapReduce, and Spark
    • Data Processing and Analysis: Hive, and Impala
    • Database Integration: Sqoop
    • Other Hadoop Data Tools
    • Exercise Scenario Explanation
  2. Introduction to Apache Hive and Impala
    • What Is Hive?
    • What Is Impala?
    • Why Use Hive and Impala?
    • Schema and Data Storage Comparing Hive and Impala to Traditional Databases
    • Use Cases
  3. Querying with Apache Hive and Impala
    • Databases and Tables
    • Basic Hive and Impala Query Language Syntax
    • Data Types
    • Using Hue to Execute Queries
    • Using Beeline (Hive's Shell)
    • Using the Impala Shell
  4. Common Operators and Built-In Functions
    • Operators
    • Scalar Functions
    • Aggregate Functions
  5. Data Management
    • Data Storage
    • Creating Databases and Tables
    • Loading Data
    • Altering Databases and Tables
    • Simplifying Queries with Views
    • Storing Query Results
  6. Data Storage and Performance
    • Partitioning Tables
    • Loading Data into Partitioned Tables
    • When to Use Partitioning
    • Choosing a File Format
    • Using Avro and Parquet File Formats
  7. Working with Multiple Datasets
    • UNION and Joins
    • Handling NULL Values in Joins
    • Advanced Joins
  8. Analytic Functions and Windowing
    • Using Common Analytic Functions
    • Other Analytic Functions
    • Sliding Windows
  9. Complex Data
    • Complex Data with Hive
    • Complex Data with Impala
  10. Analyzing Text
    • Using Regular Expressions with Hive and Impala
    • Processing Text Data with SerDes in Hive
    • Sentiment Analysis and n-grams
  11. Apache Hive Optimization
    • Understanding Query Performance
    • Bucketing
    • Hive on Spark
  12. Apache Impala Optimization
    • How Impala Executes Queries
    • Improving Impala Performance
  13. Extending Apache Hive and Impala
    • Custom SerDes and File Formats in Hive
    • Data Transformation with Custom Scripts in Hive
    • User-Defined Functions
    • Parameterized Queries
  14. Choosing the Best Tool for the Job
    • Comparing Hive, Impala, and Relational Databases
    • Which to Choose?
  15. Conclusion
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Additional information

Prerequisites

This course is designed for data analysts, business intelligence specialists, developers, system architects, and database administrators. Some knowledge of SQL is assumed, as is basic Linux command-line familiarity. Prior knowledge of Apache Hadoop is not required.

Difficulty level
Duration 4 days
Certificate

The participants will obtain certificates signed by Cloudera (training completion).

Upon completion of the course, attendees are encouraged to continue their study and register for the CCA Data Analyst exam. Certification is a great diŹerentiator. It helps establish you as a leader in the field, providing employers and customers with tangible evidence of your skills and expertise.

Trainer

Certified Cloudera Instructor.

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Big Data

Big Data Analysis

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Traditional training

Sessions organised at Compendium CE are usually held in our locations in Kraków and Warsaw, but also in venues designated by the client. The group participating in training meets at a specific place and specific time with a coach and actively participates in laboratory sessions.

Dlearning training

You may participate from at any place in the world. It is sufficient to have a computer (or, actually a tablet, or smartphone) connected to the Internet. Compendium CE provides each Distance Learning training participant with adequate software enabling connection to the Data Center. For more information, please visit dlearning.eu site

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Paper materials

Traditional materials: The price includes standard materials issued in the form of paper books, printed or other, depending on the arrangements with the manufacturer.

Electronic materials

Electronic materials: These are electronic training materials that are available to you based on your specific application: Skillpipe, eVantage, etc., or as PDF documents.

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Ctab materials: the price includes ctab tablet and electronic training materials or traditional training materials and supplies provided electronically according to manufacturer's specifications (in PDF or EPUB form). The materials provided are adapted for display on ctab tablets. For more information, check out the ctab website.

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