My name is Jaime Crespo and I am a former MySQL/Sun/Oracle/Percona instructor and consultant.
I work as a MySQL DBA, mostly iterested in query optimization and architectures for HA (Galera, NDB). On my free time I try to help a bit here.
8 Why do so many queries have aliases? may 17
6 UPDATE query with JOIN taking forever aug 7 '14
5 MySQL - varchar length and performance sep 13 '14
5 Unable to delete a record in Mysql sep 15 '14
5 Benefits of Barracuda and Compression jul 5 '14