OracleDriverManager
<<interface>>Statement
+ executeQuery(String sqlString):ResultSet+ executeUpdate(String sqlString):int+execute(String sqlString):boolean
<<interface>>Connection
+ createStatement():Statement
ResultSet
~ index:int~ name:String[]~age:int[]
+ getString(String columnLabel):String+ getString(int columnIndex):String+ getInt(String columnLabel):int+ getInt(int columnIndex):int
OracleConnection
MySQLStatement
+ executeQuery(String sqlString):ResultSet+ executeUpdate(String sqlString):int+execute(String sqlString):boolean
MySQLDriverManager
MySQLConnection
OracleStatement
<<interface>>DriverManager
