Navicat Premium和sqldeveloper.exe
Add a mysql connection to oracle sql developer:
JDBC for MySQL official website download address: http://www.mysql.com/downloads/connector/j/
The file name is roughly mysql-connector-java-5.1.18.zip. After the download is complete, unzip it, extract the mysql-connector-java-5.1.18-bin.jar file, and put it in the sqldeveloper\jlib directory, then start Oracle SQL Developer, click on the menu Tools->Preferences, find Database->Third Party JDBC Drivers, click Add Entry..., load the mysql-connector-java-5.1.18-bin.jar file just now to create a MySQL connection. (transfer: http://www.cnblogs.com/javaeye235/p/5339816.html)