0. Artcile with just links,
   percona vs oracle vs mariadb, db ratings
   versions of mysql and why they are inmportant
   different replication
   clustering
   sharding
   HA, failover, backup, recovery
   Modern tools for monitoring and graphing - nagios, graophite, graohana, percona, AWS extended, Google Gcp?, datadog
   Certficiation, with linux certification, AWS, GCP, Python, etc. 
1. kcomposer and ispell. [s[ad and download spell chjcker,
   notepad++
2. docker and download image, make image, port and dir share, use images, save and make images
  explain images, sing images, saving images, etc.
  Explain how to make services. Start services on startup by internal or external.
  Explain where files are saved and what you want to edit them.
3. Saving sql work in prod.
   mkdir TICKETS/<id>
   mysql -v-v
   tee logfile
   use <DB>
   select now(), hostname;
   source FILE.sql

   ALso, source file must be approved with exact commands. Must not be copied by windows to Linux.
   Must be tested and timed.
4. HA -- mysql, mongo, couchbase, AWS RDA Mysql + Aurora, percona and Mariadb Cluster
5. Backups -- all the different ones
6. Load balancer -- different techniques with databases
7. Backups and Restorations for all databases
   MySQL -- binlogs, GTID, etc. 
8. Monitoring -- and AWS charts, and use api
9. Graphing -- and AWS charts, and use api
10. Failovers, server or cluster failover, DR site, distributed site.