Oracle/Functions 썸네일형 리스트형 Functions Concatenate strings. Concatenation means "stick strings together". In this example we concatenate three strings, name and region are string attributes of the table, ' is in ' is a string literal. SELECT name || ' is in ' || region FROM cia WHERE name LIKE 'D%' Substring: Extracting part of a string. We from position 1 (the beginning) we take two characters. 4.'Afghanistan' -> 'Af' 'China' -> 'Ch.. 더보기 이전 1 다음