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Duration 10 hours
Course Outline
Introduction to SQL and Relational Databases
- Grasping database structures
- Reviewing SQL syntax
- Interacting with tables and schemas
Basic Querying Techniques
- Selecting and projecting specific data
- Filtering rows using the WHERE clause
- Ordering results with ORDER BY
Joining Multiple Tables
- Implementing inner, left, right, and full joins
- Merging datasets from various sources
- Defining and resolving join conditions
Aggregations and Grouping
- Utilizing functions like COUNT, SUM, AVG, MIN, and MAX
- Effectively applying the GROUP BY clause
- Filtering aggregated data using HAVING
Subqueries and Nested Statements
- Working with scalar subqueries
- Understanding correlated subqueries
- Employing subqueries for filtering and complex calculations
Data Manipulation and Modification
- Inserting new records
- Updating existing data
- Safely deleting information
Database Objects and Constraints
- Understanding primary and foreign key relationships
- Creating and using views
- Enforcing constraints and rules
Advanced SQL Techniques
- Using window functions
- Leveraging Common Table Expressions (CTEs)
- Basic principles of performance considerations and query tuning
Summary and Next Steps
Requirements
- A foundational understanding of basic data concepts
- Experience working with spreadsheets or tabular data
- Familiarity with general business applications
Target Audience
- Data analysts
- IT professionals
- Users tasked with managing, querying, and analyzing 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
