Master data extraction with 200 scenarios on complex Joins, Window Functions, CTEs, and query optimization techniques.
Sub Category
- Operating Systems & Servers
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Objectives
- Write complex SQL queries utilizing advanced structural elements, including Common Table Expressions (CTEs), Subqueries, and multi-table Joins.
- Perform advanced analytical reporting directly within the database engine using Window Functions (ROW_NUMBER, RANK, OVER) and GROUP BY aggregations.
- Architect robust relational databases by applying normalization principles (1NF, 2NF, 3NF) and establishing referential integrity via Primary/Foreign Keys.
- Optimize slow-running queries by designing effective indexing strategies (Clustered vs. Non-Clustered) and analyzing query execution plans.
Pre Requisites
- A basic understanding of what a database is (rows and columns). Familiarity with writing introductory SELECT statements is highly recommended before tackling these advanced scenarios.
FAQ
- Q. How long do I have access to the course materials?
- A. You can view and review the lecture materials indefinitely, like an on-demand channel.
- Q. Can I take my courses with me wherever I go?
- A. Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don't have an internet connection, some instructors also let their students download course lectures. That's up to the instructor though, so make sure you get on their good side!
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