My name is Kaimin Zhao, my nickname is PiscesCanon.I have 9 years of full-time DBA experience with Oracle, dealt with many Oracle database problems and SQL optimization issues. Oracle database enthusiast, Oracle OCP/OCM certified master.

I write Oracle-related technical articles through the technical community all year round, including MySQL and other types of databases.
I have published more than 200 articles so far. In addition, I learned MySQL 8.0 MGR, Shell, Oracle OGG and others.