11/3/2023 0 Comments Distinct count postgres![]() ![]() The data source that I use in Grafana is Postgres. The Expertise values are: Beginner, Intermediary, Expert, and Master. SELECT DISTINCT (reference) AS 'Reference', referenceurl AS 'References' FROM dailyrunvehicle WHERE retries > 5 GROUP BY reference, referenceurl ORDER BY 1 I get the same result. This field is populated based on the player’s score. We will now introduce a new column called Expertise. SELECT with DISTINCT can also be used in an SQL inline. You can use SELECT with DISTINCT to find only the non-duplicate values from column col1: postgres select distinct(col1) from test order by col1 col1 - 1 2 3 (3 rows) 2. Get the Distinct Count of Field Values Based on Another Field in PostgreSQL Now that the table has been set up, let’s look at a few ways that DISTINCT can sort through the data: 1. Either query works fine, but the second query was faster in this case. This new query took 1 second and 572 milliseconds with a count of 101 distinct values.Īs we can see, the second query was faster. You can view EDUCBA’s recommended articles for more information.SELECT COUNT( *) FROM ( SELECT DISTINCT score FROM quiz_score) AS DistinctScores We hope that this EDUCBA information on “PostgreSQL DISTINCT” was beneficial to you. We hope from the above article, you have understood how to use PostgreSQL SELECT DISTINCT statement to return unique rows by removing duplicate rows from the result set.
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