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Duration 10 hours
Course Outline
Introduction to SQL and Relational Databases
- Comprehending database structures
- Overview of SQL syntax
- Interacting with tables and schemas
Basic Querying Techniques
- Selecting and projecting data
- Filtering rows using WHERE
- Ordering results with ORDER BY
Joining Multiple Tables
- Inner, left, right, and full joins
- Merging datasets from multiple sources
- Defining join conditions
Aggregations and Grouping
- Applying COUNT, SUM, AVG, MIN, MAX
- Effective use of GROUP BY
- Filtering grouped data with HAVING
Subqueries and Nested Statements
- Scalar subqueries
- Correlated subqueries
- Utilising subqueries for filtering and calculations
Data Manipulation and Modification
- Inserting new data
- Updating existing records
- Deleting data safely
Database Objects and Constraints
- Understanding primary and foreign keys
- Working with views
- Implementing constraints and rules
Advanced SQL Techniques
- Window functions
- Common Table Expressions (CTEs)
- Performance considerations and basic query tuning
Summary and Next Steps
Requirements
- A grasp of basic data concepts
- Experience with spreadsheets or tabular data
- Familiarity with general business applications
Audience
- Data analysts
- IT professionals
- Users who need to manage, query, and analyse data
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
