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IT/SQL

6] 프로그래머스 중복 제거하기

by 깻잎쌈 2020. 11. 4.
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SELECT COUNT(DISTINCT NAME) 
FROM ANIMAL_INS; 

 

 

www.w3schools.com/sql/sql_distinct.asp

 

SQL SELECT DISTINCT Statement

SQL SELECT DISTINCT Statement The SQL SELECT DISTINCT Statement The SELECT DISTINCT statement is used to return only distinct (different) values. Inside a table, a column often contains many duplicate values; and sometimes you only want to list the differe

www.w3schools.com

 

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