Anonymous Asked in Cars &Transportation · 2 weeks ago

Can you SELECT distinct on multiple columns?

In SQL multiple fields may also be added with DISTINCT clause. DISTINCT will eliminate those rows where all the selected fields are identical. 5 дней назад


How do I use distinct on all columns in SQL?

SELECT DISTINCT FIELD1, FIELD2, FIELD3 FROM TABLE1 works if the values of all three columns are unique in the table. If, for example, you have multiple identical values for first name, but the last name and other information in the selected columns is different, the record will be included in the result set.

How can I get distinct count of multiple columns in SQL?

select count(distinct col1 || '-' || col2) from mytable; or use a subquery: select count(*) from (select distinct col1, col2 from mytable);

How do I get unique values from multiple columns in Excel?

Select Text option from the Formula Type drop down list; Then choose Extract cells with unique values (include the first duplicate) from the Choose a fromula list box; In the right Arguments input section, select a list of cells that you want to extract unique values.

How do I select distinct on all columns?

The DISTINCT keyword is applied to all columns. It means that the query will use the combination of values in all columns to evaluate the distinction. If you want to select distinct values of some columns in the select list, you should use the GROUP BY clause.

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