java -- jdbc ; Statement, PreparedStatement, CallableStatement

java -- jdbc ; Statement, PreparedStatement, CallableStatement

참고 : http://www.tutorialspoint.com/jdbc/jdbc-statements.htm

         https://docs.oracle.com/javase/tutorial/jdbc/basics/processingsqlstatements.html

         https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-basic.html

Statement  

   -- static SQL statements 사용시 유용. 

       parameters 를 받을수 없다.

PreparedStatement

   -- runtime 시에 input parameters 를 받을수있다.

CallableStatement

   -- database stored procedures 접근시 유용.

       runtime input parameters 를 받을수있다.