12/20/2023 0 Comments Select unique postgresFor multiple columns, it uses a combination of the targeted columns’ values to determine the duplicates. You can use the DISTINCT clause on single or multiple columns. The use of the DISTINCT clause retains only one row from a set of duplicated rows. In PostgreSQL, the DISTINCT clause is used to fetch only unique records. This can be done by specifying an object code file to implement a new type or function, and PostgreSQL will load it as required.
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