jdbc 연동, DAO, DTO, Connection, Statement, ResultSet, execute
actions tags, forward, redirect, cookie, session
get, post, request, response, context path, protocol
function, arguments, array, hoisting
dynamic webpage, window document, datatype, array
data integrity, transaction, sequence, cardinality
ojdbc(dto,dao), dxl(dml,dcl,ddl), data dictionary
thread, network, protocol, TCP, UDP