Postgresql select max value and other columns. I have a view like: county - candidate - votes.
Postgresql select max value and other columns. . I have a view like: county - candidate - votes. May 13, 2025 · If there can be more than one row tieing for the greatest value in each value column, add more ORDER BY expressions to the query (and index) to make the result deterministic, or accept the arbitrary pick you get from this query and your original alike. We had a chance to look at two different methods to go about doing this, first using SELF-JOIN and later looked at how we can achieve the same using WHERE clause. And I would like to write a query which returns who has most votes per county like: county - candidate - votes Sep 11, 2024 · This tutorial explains how to select the rows from a table with the max value in a specific column, by group. What the self-join will actually end up translating to is a simple index mapping, where the inner SELECT (the one with MAX) scans the index throwing away irrelevant entries, and where the outer SELECT just grabs the rest of the columns from the table corresponding to the narrowed-down index. Feb 2, 2022 · Here are three examples that use SQL to find and select the row with the maximum value in a given column. Jul 23, 2025 · In this article, we covered how we can find the records which have the maximum value for a column for each distinct value of another column in PostgreSQL. Feb 12, 2024 · In this article, we covered how we can find the maximum of multiple columns in PostgreSQL. We had a chance to look at two different methods to go about doing this, first using CASE statement. The examples work in most major RDBMS s, including MySQL, MariaDB, PostgreSQL, SQLite, Oracle, and SQL Server. Oct 14, 2020 · To gain full voting privileges, How do I select row which has a max value in other column - PostgreSQL? I'm just starting with PostgreSQL and I bet there is a simple answer for my qs. fphlyvl mxlgrl hgzf omlgkv hio uvbhtpw pqkf belp zqhhzior tfdu