Nettet19. mai 2014 · select distinct applies to the ENTIRE row, not just a field. e.g. SELECT DISTINCT foo, bar, baz should be read more as SELECT DISTINCT (foo,bar,baz) and … NettetThis function is a generic, which means that packages can provide implementations (methods) for other classes. See the documentation of individual methods for extra …
Distinct and unique values in Excel: how to find, filter, select and ...
Nettet15. jul. 2013 · Aliasing is used to select only columns from chosen table. Normaly it's used with joins e.g.: SELECT u.*, p.name FROM user u JOIN product p ON u.Id = p.productID you'll get all columns from user table and only product name. In your example it's used separately, it's not a mistake, but SELECT DISTINCT * FROM... will work too. Nettet10. sep. 2008 · select distinct(col1, col2) from table Multi select in general can be executed safely as follows: select distinct * from (select col1, col2 from table ) as x As … ifm cr2031
sql - select distinct a.* from table query - Stack Overflow
Nettet27. mar. 2024 · 1 Answer. Sorted by: 6. Snowflake does not support "DISTINCT ON", but you can use QUALIFY and ROW_NUMBER to produce the same result: SELECT * from ( select * from values (123,11,12,'a' ) as tableA (allowed_id, col2, col3, table_name) union all select * from values (123,21,22,'b' ) as tableA (allowed_id, col2, col3, table_name) … NettetThe DISTINCT clause is used in the SELECT statement to remove duplicate rows from a result set. The DISTINCT clause keeps one row for each group of duplicates. The DISTINCT clause can be applied to one or more columns in the select list of the SELECT statement. The following illustrates the syntax of the DISTINCT clause: Nettet5. mar. 2024 · SELECT DISTINCT FROM ( SELECT * FROM ) It pushes the projected columns to the CV, so effective query is not different … ifm cr1202