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DISTINCT keyword is supposed to be applied to all the columns in the select query and not just to the column next to which DISTINCT keyword is written. So, basically, it means that every row returned in the result will be unique in terms of the combination of the select query columns.
I need to query an SQL database to find all distinct values of one column and I need an arbitrary value from another column. For example, consider the following table with two columns, key and val...
16 sie 2023 · DISTINCT is a keyword in SQL that allows you to show unique or distinct results. It’s added to a SELECT query to eliminate duplicates in the data it displays because columns often contain duplicate values and sometimes you may only want to show unique or distinct values.
5 kwi 2021 · In this article we look at how to retrieve a list of distinct datasets from SQL Server without repeating information using the DISTINCT clause.
23 lut 2023 · Sometimes we only want to see a distinct (or unique) set of those duplicate values. This is where SELECT DISTINCT can be used. As its name implies, the DISTINCT keyword is commonly used in a SQL SELECT statement to return a distinct set of values.
29 kwi 2024 · You’re interested in finding the number of unique order amounts across all customers. You can do that using DISTINCT in the aggregate function, COUNT() in this case. SELECT COUNT(DISTINCT order_amount) AS number_of_unique_order_amounts FROM orders;
16 mar 2015 · How to retrieve unique records having unique values in two columns from a table in SQL Server
