<aside> ⚡ 환경변수 설정
vi ~/.bash_profile
JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk-11.0.4.jdk PATH=$PATH:$JAVA_HOME/bin export JAVA_HOME export PATH
source ~/.bash_profile
</aside>
ch01_driver
ch02_insert
ch03_select
ch04_update
ch05_delete