Analyzing Big Data with SQL

Cloudera via Coursera

Go to Course: https://www.coursera.org/learn/cloudera-big-data-analysis-sql-queries

Introduction

## Course Review: Analyzing Big Data with SQL on Coursera **Overview** In the era of big data, the ability to analyze large datasets efficiently has become a critical skill for professionals across various industries. Coursera’s course, *Analyzing Big Data with SQL*, presents an excellent opportunity for learners to dive deep into the world of SQL, specifically tailored to handle big data environments. Throughout the course, students will gain an in-depth understanding of the SQL SELECT statement and its primary clauses, all while focusing on popular big data SQL engines, namely Apache Hive and Apache Impala. Moreover, the course also draws comparisons with traditional relational database management systems (RDBMs) such as MySQL and PostgreSQL, making it a versatile learning resource. **Course Objectives** By the end of this comprehensive course, participants will be equipped with the following skills and knowledge: - Navigate and explore databases and tables using a variety of tools. - Grasp the fundamentals of SQL SELECT statements and their essential components. - Employ techniques for filtering, grouping, aggregating, sorting, and combining data effectively. **Syllabus Breakdown** The course is structured into several key modules that progressively build upon one another: 1. **Orientation to SQL on Big Data**: This module serves as an introduction, setting the stage for learners by explaining the significance of SQL in big data contexts. It showcases the tools used for SQL operations within large data sets, ensuring students are well-prepared for the subsequent material. 2. **SQL SELECT Essentials**: Focused on the basics of SQL SELECT statements, this section prepares students for more complex SQL queries. It covers the syntax and fundamental logic behind data retrieval. 3. **Filtering Data**: Here, learners delve into various methods to filter datasets, honing their ability to focus on specific insights that matter most. 4. **Grouping and Aggregating Data**: This module introduces more advanced concepts, enabling students to summarize and analyze data patterns through groupings and aggregate functions. 5. **Sorting and Limiting Data**: This section emphasizes the importance of data presentation and the techniques used to sort and limit the information retrieved, facilitating clearer insights. 6. **Combining Data**: Finally, students learn how to manipulate and combine multiple datasets, allowing for richer analyses and interpretations. **Pros of the Course** - **Interactive Learning**: The course incorporates various interactive content formats, including quizzes and hands-on exercises, which enhance the learning experience and help solidify the concepts learned. - **Industry Relevance**: The focus on popular big data tools places this course in a practical context, making it applicable to real-world scenarios. By understanding both Apache Hive and Apache Impala, learners will prepare themselves for roles in big data analytics where performance matters. - **Comprehensive Coverage**: With a wide coverage of SQL topics, this course ensures that learners not only grasp the syntax but also understand when and how to apply SQL techniques effectively. **Who Should Take This Course?** This course is recommended for anyone looking to develop a solid foundation in SQL, whether you're a beginner or someone looking to brush up on your skills in the context of big data. Data analysts, aspiring data scientists, and IT professionals trapped in traditional databases seeking to expand their knowledge into the big data sphere will find immense value here. **Conclusion and Recommendation** Overall, *Analyzing Big Data with SQL* on Coursera stands out as a highly educational and engaging course. The practical application of SQL within big data engines combined with a well-structured syllabus makes it a formidable resource for anyone serious about breaking into the field of data analytics. I wholeheartedly recommend this course to anyone wishing to elevate their data analysis skills to meet the demands of an increasingly data-driven world.

Syllabus

Orientation to SQL on Big Data

SQL SELECT Essentials

Filtering Data

Grouping and Aggregating Data

Sorting and Limiting Data

Combining Data

Overview

In this course, you'll get an in-depth look at the SQL SELECT statement and its main clauses. The course focuses on big data SQL engines Apache Hive and Apache Impala, but most of the information is applicable to SQL with traditional RDBMs as well; the instructor explicitly addresses differences for MySQL and PostgreSQL. By the end of the course, you will be able to • explore and navigate databases and tables using different tools; • understand the basics of SELECT statements; • understand how

Skills

Big Data Data Analysis Apache Impala SQL Apache Hive

Reviews

I have used many platforms to get started with SQL but this has been the best by far. Thank you Cloudera.

This course helped me a great deal for a job interview as well as for all future querying with Impala and Hive

great course even if you know SQL it's quite a fresh reminder and writing the Query on the VMs makes you gain much deaper understanding of the data

Excellent course even if you have an sql knowledge with a bachelor. Especially the part where it explains the handling of NULLs which is not obvious and I didn't know about.

How amazing the course was! From the video lectures, the reading materials, to the practical exercises and the teachers as well, everything was fantastic in this course. Highly recommended!