Course Outline
Lesson 1 - Fundamentals of SQL:
- Select statements
- Types of Joins
- Indexes
- Views
- Subqueries
- Union
- Table creation
- Data loading
- Data dumping
- NoSQL
Lesson 2 - Data Modeling:
- Transaction-based ER systems
- Data warehousing
- Data warehouse models
- Star schema
- Snowflake schemas
- Slowly changing dimensions (SCD)
- Structured and unstructured data
- Various table storage engines:
- Column-based
- Document-based
- In-Memory
Lesson 3 - Indexing in the NoSQL and Data Science Context
- Constraints (Primary)
- Index-based scanning
- Performance tuning
Lesson 4 - NoSQL and Unstructured Data
- Scenarios for using NoSQL
- Eventually consistent data
- Schema on read vs. Schema on write
Lesson 5 - SQL for Data Analytics
- Windowing functions
- Lateral Joins
- Lead & Lag
Lesson 6 - HiveQL
- SQL support
- External and internal tables
- Joins
- Partitions
- Correlated subqueries
- Nested queries
- Appropriate use cases for Hive
Lesson 7 - Redshift
- Design and structure
- Locks and shared resources
- Differences from Postgres
- Appropriate use cases for Redshift
Requirements
- A foundational understanding of databases
- Practical experience with SQL is advantageous.
Target Audience
- Business analysts
- Software developers
- Database developers
Testimonials (3)
Gunnar adjusted the content for the second day based on our feedback from day one. He checked in with us to find out what we liked, disliked, found hard and how we wanted to approach day 2. I liked Gunnar's style of teaching: Lecture, share examples, allowed us time to practice and answer questions before moving to the next subject. It meant we could fully understand a topic before moving onto the next subject. This reduced overload of information and gave us a chance to spend more time on the topics we struggled with and less time on the stuff we found easy.
Ffion - Complete Coherence
Course - SQL For Data Science and Data Analysis
Gunnar’s training technique is dynamic, thorough, and perfectly tailored to individual needs. In our group of five, he ensured everyone stayed on track and fully understood the material throughout the course. The knowledge and resources we gained will undoubtedly be valuable for years to come. Thank you, Gunnar!
Marcia - Complete Coherence
Course - SQL For Data Science and Data Analysis
Gunnar created a great rapport with the audience and was quick to identify our needs. He was engaging and highly knowledgeable throughout and we enjoyed his humour.
