SQL Intermediate Training Course
This instructor-led, live training is aimed at intermediate-level SQL users who want to improve their basic skills in SQL and also systematize already gained knowledge.
This course is available as onsite live training in Colombia or online live training.Course Outline
Table Joins
- Recap of joins using primary key and foreign key connections
- Recap of difference between inner and outer joins
- Recap of usage of link tables to resolve many-to-many relationships
- Self Joins
Sub Queries
- Recap of nested sub-queries in Where & Having clauses
- Recap of correlated sub-queries in Where & Having clauses
- Common Table Expression
- Sub-Queries as columns
Summary Functions
- Recap of main summary functions
- Recap of Group By & Having clauses
- Use of Rollup function
- Use of Cube function
- Use of Grouping & Grouping_Id functions
Hierarchical Queries
- Use of Connect By Prior facility
- Use of Recursive Common Table Expression
Analytic/ Window functions
- Analytic versions of main summary functions
- Ranking functions
- Lead & Lag functions
Summary and Next Steps
Requirements
- An understanding of Basic SQL
Open Training Courses require 5+ participants.
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Testimonials (5)
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.
Kurt - Complete Coherence
Course - SQL For Data Science and Data Analysis
The practical examples, and that they already had more realistic information prepared in the DB.
Enrique Pruneda Sandoval - GEODIS
Course - SQL language in MSSQL
Machine Translated
Philip was very kind, his style of explaining SQL concepts is outstanding. I liked that he give us information and answered to questions which were not part of this course.
Stefan
Course - SQL in SQL Server
analytical functions
khusboo dassani - Tech Northwest Skillnet
Course - SQL Advanced
The training materials.
Mona Dobre - DB Global Technology
Course - SQL Advanced level for Analysts
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