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Course Outline
Review of Foundational SQL Concepts
- Overview of SELECT, WHERE, and GROUP BY clauses
- Refresher on JOIN operations
- Analysis of query processing sequence
Data Manipulation Commands
- INSERT INTO statements
- UPDATE and DELETE operations
- Transaction management (BEGIN, COMMIT, ROLLBACK)
Advanced Joins and Set Operations
- FULL OUTER JOIN implementation
- UNION, INTERSECT, and EXCEPT sets
- SELF JOIN techniques
Subqueries and Derived Tables
- Differentiating correlated and non-correlated subqueries
- Utilizing subqueries within the FROM clause
- Common Table Expressions (CTEs)
Window Functions
- ROW_NUMBER, RANK, and DENSE_RANK applications
- PARTITION BY and ORDER BY usage
- LEAD and LAG functions
Data Types and Functions
- String and date manipulation functions
- CASE logic and conditional IF statements
- Data type conversions and NULL handling strategies
Query Optimization
- Indexing fundamentals
- Execution plan analysis using EXPLAIN
- Guidelines for developing efficient queries for government systems
Summary and Next Steps
Requirements
- Fundamental proficiency in executing SQL SELECT queries
- Competence in applying filtering, sorting, and elementary join operations
- Solid comprehension of relational database principles
Target Participants
- Data analysts
- Developers utilizing SQL-based data systems
- Business intelligence specialists
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
The lecture about cte