Introduction
This Certified Associate (CCA) 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.
Course Objectives of Cloudera Certified Associate (CCA) Data Analyst
Throughout this training course participants will get to know:
- 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 dierent 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 given task?
Target Audience of Cloudera Certified Associate (CCA) Data Analyst
This course is designed for:
- Data analysts
- Business intelligence specialists
- Developers
- Aystem architects
- Database administrators
Prerequisites of Cloudera Certified Associate (CCA) Data Analyst
Some knowledge of SQL is assumed, as is basic Linux command-line familiarity. Prior knowledge of Apache Hadoop is not required.
Course Outline for Cloudera Certified Associate (CCA) Data Analyst
Day 1
Apache Hadoop Fundamentals
- The Motivation for Hadoop
- Hadoop Overview
- Data 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
Day 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
Day 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
Day 4
Common Operators and Built-In Functions
- Operators
- Scalar Functions
- Aggregate Functions
Data Management
- Data Storage
- Creating Databases and Tables
- Loading Data
- Altering Databases and Tables
- Simplifying Queries with Views
- Storing Query Results
Day 5
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
Day 6
Working with Multiple Datasets
- UNION and Joins
- Handling NULL Values in Joins
- Advanced Joins
Analytic Functions and Windowing
- Using Common Analytic Functions
- Other Analytic Functions
- Sliding Windows
Day 7
Complex Data
- Complex Data with Hive
- Complex Data with Impala
Analyzing Text
- Using Regular Expressions with Hive and Impala
- Processing Text Data with SerDes in Hive
- Sentiment Analysis and n-grams
Day 8
Apache Hive Optimization
- Understanding Query Performance
- Bucketing
- Hive on Spark
Apache Impala Optimization
- How Impala Executes Queries
- Improving Impala Performance
Day 9 & 10
Extending Apache Hive and Impala
- Custom SerDes and File Formats in Hive
- Data Transformation with Custom Scripts in Hive
- User-Defined Functions
- Parameterized Queries
Choosing the Best Tool for the Job
- Comparing Hive, Impala, and Relational Databases
- Which to Choose?
About Rome
As cosmopolitan and diverse as it is rooted in its own history, Rome is one of the premier tourist destinations in the world. Featuring some of the best restaurants on the continent, some of the most iconic historic sites in Europe, the city is widely regarded as one of the most exciting and dynamic places to visit anywhere. The center of the Renaissance, the city houses some of the most famous works of art in the world and remains an important cultural hub to this day. Famous for art, fashion, it's delicious local cuisine, and superbly preserved monuments, Rome truly offers something for everyone.
Things to do and places to visit in Rome
When disembarking, the first thing that can prove pleasantly challenging is deciding on what to do first! An exceptional array of hotels and inns are available to any weary traveler, as are a superb range of restaurants for those wanting to relax surrounded by the hustle and bustle of Rome in the evening. You can spend the day walking streets steeped in history, visiting galleries that contain works by Caravaggio and Michelangelo or exploring the awe-inspiring Colosseum. The city contains many beautifully maintained parks and gardens, as well as a vast collection of beautiful churches and cathedrals, ensuring that a trip to Rome will be a memorable experience for anyone.
Things to do when taking flights to Rome include:
- Standing inside the magnificent Colosseum.
- Gazing in awe at the stunning Castel Sant'Angelo.
- Visiting the incredible Pantheon, one of the best-maintained buildings from the Roman era.
- Stopping at the center of the Piazza del Popolo, one of the most beautiful squares in Europe.
- Walking the beautiful gardens of Villa Borghese.
- Admiring the vast, intricately carved Column of Marcus Aurelius.
- Wandering the Forum Romanum, ruins from the Ancient Roman period.
- Exploring some of the greatest art collections in Europe.
- Crossing the river on the remarkably-constructed Bridge of Angels.
- Sampling the world famous local cuisine.