Learn complete MySQL & PostgreSQL. Solve HackerRank problems to get Gold star and 670 points in SQL HackerRank
Sub Category
- Database Design & Development
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Objectives
- Get silver and gold rank with 600+ points
- Solve 30+ questions of HackerRank SQL section
- How to write SELECT queries to fetch relevant data in PostgreSQL and MySQL
- How to filter and sort the data using WHEN, logical operators and ORDER BY
- How to group and aggregate data in PostgreSQL and MySQL
- How to apply joins and combining queries in PostgreSQL and MySQL
- String, mathematical, date-time functions and pattern matching in PostgreSQL and MySQL
- Understanding of VIEWS and INDEXES in PostgreSQL and MySQL
- How to write subqueries in PostgreSQL and MySQL
Pre Requisites
- Just a PC with any web browser
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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