Build a portfolio of SQL projects, starting small and then moving to more complex ones. Showcasing these on platforms like ...
Already using NumPy, Pandas, and Scikit-learn? Here are seven more powerful data wrangling tools that deserve a place in your ...
Python still leads despite a dip; C edges past C++ for #2; SQL re-enters the top 10 as Perl drops out after last month’s ...
Microsoft’s declarative REST and GraphQL API design tool supports MySQL and Postgres as well as Azure databases and works ...
Abstract: SQL query optimization (QO) is a critical component of database management systems, essential for improving query execution times, enhancing resource utilization, and ensuring scalability in ...
An index is a data structure used in databases to accelerate data retrieval speed. When creating and managing indexes, we need to pay attention to the following points: ...
I learned SQL under Udacity Introduction to Data Science nanodegree program. I also used Hackerrank to practice the queries i learned.
In this repository, we have SQL problems for practice from beginner level to advanced level using a fictitious database 'Worldwide importers'.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback