[ MYSQL ] INSERT INTO users (NAME, email) VALUES ('이름', '이메일@닷컴') ON DUPLICATE KEY UPDATE name='이름', email='이메일@닷넷'; [ MSSQL ] IF EXISTS( SELECT unique_key FROM tablename WHERE unique_key = '1' ) BEGIN -- SELECT 'OK!' ; UPDATE tablename SET val1 = '발발발' , val2 = '벨벨벨'; END ELSE BEGIN INSERT INTO tablename ( unique_key , val1 , val2 ) values ( '1' ,'발발발' ,'벨벨벨' ) END [ORACLE] - 출처: https://offbyo..