Snowpark Migration Accelerator: 고유¶
설명¶
참조된 테이블에서 모든 고유 행을 선택합니다. (Databricks SQL Language Reference SELECT)
DISTINCT
는 쿼리 결과에서 중복 행을 제거합니다. (Snowflake SQL Language Reference SELECT)
구문¶
SELECT [ DISTINCT ] { named_expression | star_clause } [, ...]
FROM table_reference
SELECT [ DISTINCT ]
{
[{<object_name>|<alias>}.]<col_name>
| [{<object_name>|<alias>}.]$<col_position>
| <expr>
}
[ [ AS ] <col_alias> ]
[ , ... ]
[ ... ]
샘플 소스 패턴¶
설정 데이터¶
Databricks¶
CREATE TEMPORARY VIEW number1(c) AS VALUES (3), (1), (2), (2), (3), (4);
Snowflake¶
CREATE TEMPORARY TABLE number1(c int);
INSERT INTO number1 VALUES (3), (1), (2), (2), (3), (4);
패턴 코드¶
Databricks¶
SELECT DISTINCT c FROM number1;
c |
---|
3 |
1 |
2 |
4 |
Snowflake¶
SELECT DISTINCT c FROM number1;
c |
---|
3 |
1 |
2 |
4 |
Known Issues¶
발견된 문제 없음