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Posted on February 20, 2023 (Updated on July 10, 2025)

SELECT DISTINCT from table in Geoserver SQL view

Hiking & Activities

How do I get the distinct value from a table in SQL?

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 different (distinct) values.

How to SELECT distinct count in SQL Server?

The correct syntax for using COUNT(DISTINCT) is: SELECT COUNT(DISTINCT Column1) FROM Table; The distinct count will be based off the column in parenthesis. The result set should only be one row, an integer/number of the column you’re counting distinct values of.
 

How do I SELECT only unique values in SQL?

The DISTINCT keyword in the SELECT clause is used to eliminate duplicate rows and display a unique list of values. In other words, the DISTINCT keyword retrieves unique values from a table.
 

How to get distinct records from the table without using distinct keyword in SQL Server?

The idea is to group according to all columns to be selected in output.
Below are alternate solutions :

  1. Remove Duplicates Using Row_Number.
  2. Remove Duplicates using self Join.
  3. Remove Duplicates using group By.

 

How do I get a distinct list?

Select(x => x. Author). Distinct(); This will return a sequence ( IEnumerable<string> ) of Author values — one per unique value.

What is distinct () in SQL?

DISTINCT keyword in SQL eliminates all duplicate records from the result returned by the SQL query. The DISTINCT keyword is used in combination with the SELECT statement. Only unique records are returned when the DISTINCT keyword is used while fetching records from a table having multiple duplicate records.
 

How do I use distinct in select?

The distinct keyword is used with select keyword in conjunction. It is helpful when we avoid duplicate values present in the specific columns/tables. The unique values are fetched when we use the distinct keyword. SELECT DISTINCT returns only distinct (different) values.

How do I filter distinct values?

To filter for unique values, click Data > Sort & Filter > Advanced. To remove duplicate values, click Data > Data Tools > Remove Duplicates. To highlight unique or duplicate values, use the Conditional Formatting command in the Style group on the Home tab.

How do I use distinct instead of GROUP BY?

When and where to use GROUP BY and DISTINCT. DISTINCT is used to filter unique records out of the records that satisfy the query criteria. The “GROUP BY” clause is used when you need to group the data and it should be used to apply aggregate operators to each group.
 

How to get distinct values from 2 columns in SQL?

To select distinct values in two columns, you can use least() and greatest() function from MySQL.
 

How do I filter distinct values?

To filter for unique values, click Data > Sort & Filter > Advanced. To remove duplicate values, click Data > Data Tools > Remove Duplicates. To highlight unique or duplicate values, use the Conditional Formatting command in the Style group on the Home tab.

How do I SELECT without duplicates in SQL?

If you want the query to return only unique rows, use the keyword DISTINCT after SELECT . DISTINCT can be used to fetch unique rows from one or more columns. You need to list the columns after the DISTINCT keyword.

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