SQL HackerRank Challenge: Get Gold star & 670 points - Learn complete MySQL & PostgreSQL. Solve HackerRank problems to get Gold star and 670 points in SQL HackerRank
What you'll learn
- 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
