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10 wrz 2008 · If your DBMS doesn't support distinct with multiple columns like this: 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
31 lip 2024 · SELECT with DISTINCT on multiple columns and ORDER BY clause. You can use an order by clause in the select statement with distinct on multiple columns. Here is an example: SQL Code:
26 mar 2024 · By understanding the various approaches and strategies outlined in this article, you can effectively use SELECT DISTINCT on multiple columns in SQL to streamline your data querying processes and eliminate duplicate data.
SELECT key, value FROM tableX GROUP BY key ; In recent version (5.7 and 8.0+) where the strict settings and ONLY_FULL_GROUP_BY are the default, you can use the ANY_VALUE() function, added in 5.7: SELECT key, ANY_VALUE(value) AS value FROM tableX GROUP BY key ;
This SQL tutorial explains how to use the SQL DISTINCT clause with syntax and examples. The SQL DISTINCT clause is used to remove duplicates from the result set of a SELECT statement.
5 kwi 2021 · The first example uses the DISTINCT clause with the SELECT statement and the second example demonstrates the use of the DISTINCT clause within an AGGREGATE FUNCTION. In this brief SQL tutorial, we will review both use cases the DISTINCT clause in detail.
Sometimes, you may want to get only distinct values in a specified column of a table. To achieve this, you can use the SELECT DISTINCT clause. Here’s how you can do it: FROM . table_name; Code language: SQL (Structured Query Language) (sql) The query will return unique values from the column column_name.
