An index is usually created on a column, but it can be created on a function as well! This is helpful when you want to index something that you can't quite reach.| planetscale.com
By Shen Huang Do you really understand Big O? If so, then this will refresh your understanding before an interview. If not, don’t worry — come and join us for some endeavors in computer science. If you have taken some algorithm related courses, you’v...| freeCodeCamp.org
Given that indexing is so important as your data set increases in size, can someone explain how indexing works at a database-agnostic level? For information on queries to index a field, check out ...| Stack Overflow