1. http://mystery.knightlab.com
    08-03-2020

    Learn SQL by solving this murder mystery game. There's been a Murder in SQL City! The SQL Murder Mystery is designed to be both a self-directed lesson to learn SQL concepts and commands and a fun game for experienced SQL users to solve an intriguing crime.

  2. https://pdfs.semanticscholar.org/b91a/0f1cd2e105bb86e31b556bd4259dd0b03812.pdf
    07-03-2019

    A white paper on ontology building

  3. http://oldblog.antirez.com/post/redis-persistence-demystified.html
    07-03-2019

    A clear, understandable picture of how Redis persistence works, how much reliable is, and how it compares to other database systems.

  4. http://quickdatabasediagrams.com
    07-03-2019

  5. https://simplesecurity.sensedeep.com/web-developer-security-checklist-f2e4f43c9c56
    07-03-2019