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Course Outline
Review of SQL Fundamentals
- Recap of SELECT, WHERE, and 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 versus non-correlated subqueries
- Utilizing subqueries in 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 null handling
Query Optimization
- Understanding indexes
- Using EXPLAIN
- Best practices for writing efficient queries
Summary and Next Steps
Requirements
- Foundational knowledge of SQL SELECT statements
- Experience with filtering, sorting, and simple joins
- Comprehension of relational database concepts
Audience
- Data analysts
- Developers working with 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.
