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Course Outline
Review of SQL Basics
- Recap of SELECT, WHERE, GROUP BY
- Quick review of JOIN types
- Understanding query execution order
Data Manipulation Statements
- INSERT INTO
- UPDATE and DELETE
- Transaction control (BEGIN, COMMIT, ROLLBACK)
Advanced Joins and Set Operations
- FULL OUTER JOIN
- UNION, INTERSECT, EXCEPT
- SELF JOIN
Subqueries and Derived Tables
- Correlated vs. non-correlated subqueries
- Using subqueries in FROM
- CTEs (Common Table Expressions)
Window Functions
- ROW_NUMBER, RANK, DENSE_RANK
- PARTITION BY and ORDER BY
- LEAD and LAG functions
Data Types and Functions
- String and date functions
- CASE and IF statements
- Type conversions and null handling
Query Optimization
- Understanding indexes
- Using EXPLAIN
- Best practices for writing efficient queries
Summary and Next Steps
Requirements
- Basic knowledge of SQL SELECT statements
- Experience with filtering, sorting, and simple joins
- Understanding of relational database concepts
Audience
- Data analysts
- Developers working with SQL databases
- Business intelligence professionals
14 Hours
Delivery Options
Private Group Training
Our identity is rooted in delivering exactly what our clients need.
- Pre-course call with your trainer
- Customisation of the learning experience to achieve your goals -
- Bespoke outlines
- Practical hands-on exercises containing data / scenarios recognisable to the learners
- Training scheduled on a date of your choice
- Delivered online, onsite/classroom or hybrid by experts sharing real world experience
Private Group Prices RRP from €4560 online delivery, based on a group of 2 delegates, €1440 per additional delegate (excludes any certification / exam costs). We recommend a maximum group size of 12 for most learning events.
Contact us for an exact quote and to hear our latest promotions
Public Training
Please see our public courses
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
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
They way the instructor teaches is very informative and effective especially on the 2nd day when topics are a bit advanced.
