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Course Outline
Review of SQL Fundamentals
- Recap of SELECT, WHERE, and GROUP BY
- Rapid review of JOIN types
- Understanding the order of query execution
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
- Differentiating correlated vs. non-correlated subqueries
- Utilizing subqueries within the FROM clause
- 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 handling NULL values
Query Optimization
- Grasping the concept of indexes
- Using EXPLAIN
- Best practices for writing efficient queries
Summary and Next Steps
Requirements
- Fundamental knowledge of SQL SELECT statements
- Practical experience with filtering, sorting, and simple joins
- Comprehension of relational database concepts
Target Audience
- Data analysts
- Developers utilizing SQL databases
- Business intelligence professionals
14 Hours
Testimonials (3)
It was very interactive and it kept us interested.
Raluca Alexandra PUNGA
Course - SQL Fundamentals
Small group, in-person for 3 days,
Annina - Ricardo AG
Course - SQL: Basics to Intermediate
I liked the pace of the training and the level of interaction. All participants were encouraged to actively partake in discussions around exercise solutions, etc.
