테이블에 데이터 입력
-- 데이터 입력하기-- insert into usertbl(userName, birthYear, addr, mobile) -- valuse('이승기','1987','서울','010-111-1111');-- insert into usertbl(userName, birthYear, addr, mobile) -- valuse('김경호','1971','경남','010-222-2222');insert into usertbl(userName, birthYear, addr, mobile) values ('이승기','1987','서울','010-111-1111'), ('김경호','1971','경남','010-222-2222'), ('윤종신','1969','전남',''), ('임재범','1963','서울','01..