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Course Outline
Review of SQL Fundamentals
- Recap of SELECT, WHERE, and GROUP BY.
- Quick review of various JOIN types.
- Comprehension of query execution order.
Data Manipulation Statements
- INSERT INTO.
- UPDATE and DELETE operations.
- Transaction control mechanisms (BEGIN, COMMIT, ROLLBACK).
Advanced Joins and Set Operations
- FULL OUTER JOIN.
- UNION, INTERSECT, and EXCEPT.
- SELF JOIN.
Subqueries and Derived Tables
- Distinction between correlated and non-correlated subqueries.
- Utilizing subqueries within the FROM clause.
- Common Table Expressions (CTEs).
Window Functions
- ROW_NUMBER, RANK, and DENSE_RANK.
- PARTITION BY and ORDER BY clauses.
- LEAD and LAG functions.
Data Types and Functions
- String and date manipulation functions.
- CASE and IF statements.
- Type conversions and null handling strategies.
Query Optimization
- Understanding the role of indexes.
- Using the EXPLAIN tool.
- Best practices for crafting efficient queries.
Summary and Next Steps
Requirements
- Foundational knowledge of SQL SELECT statements.
- Practical experience with filtering, sorting, and simple joins.
- A solid understanding 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.
