sql distinct specific column
2011年2月17日 — If you are using SQL Server 2005 or above use this: SELECT * FROM ( SELECT ID, Email, ProductName, ProductModel, ROW_NUMBER() ... ,The easiest query to write is for MySQL (with not strict ANSI settings). It uses the non-standard construction: SELECT key, value FROM tableX GROUP BY key ;.
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 sql distinct specific column 相關參考資料
Applying Select Distinct to One Column Only - Navicat
2020年8月12日 — Since DISTINCT operates on all of the fields in SELECT's column list, it can't ... The GROUP BY clause applies aggregate functions to a specific ... https://www.navicat.com DISTINCT for only one column - Stack Overflow
2011年2月17日 — If you are using SQL Server 2005 or above use this: SELECT * FROM ( SELECT ID, Email, ProductName, ProductModel, ROW_NUMBER() ... https://stackoverflow.com How to select distinct for one column and any in another ...
The easiest query to write is for MySQL (with not strict ANSI settings). It uses the non-standard construction: SELECT key, value FROM tableX GROUP BY key ;. https://dba.stackexchange.com How to select distinct on specific columns - Stack Overflow
2012年9月27日 — From a comment to another answer: Can I get like this Col1, Col2 , Col3 and (Col4 in delimiter form). Yes, you can use the for xml path . select ... https://stackoverflow.com MySQL - SELECT all columns WHERE one column is DISTINCT
2012年7月25日 — The problem comes from instinctively believing that DISTINCT is a local pre-modifier for a column. Hence, you "should" be able to type. https://stackoverflow.com SELECT DISTINCT on one column - Stack Overflow
2012年3月28日 — Assuming that you're on SQL Server 2005 or greater, you can use a CTE with ROW_NUMBER(): SELECT * FROM (SELECT ID, SKU, Product, ... https://stackoverflow.com Select Distinct only on certain columns? - Databases ...
2014年8月30日 — If I do a select distinct on it, all three rows are returned (as they should), but is it possible to do a select distinct ignoring a specific column, so it ... https://www.sitepoint.com SQL - 'DISTINCT' based on only some columns? - Stack ...
2011年7月22日 — If Addresses has an ID field: (updated for SQL-Server) SELECT Users.Firstname, Users.Surname, Users.UserId, Users.Recommendations ... https://stackoverflow.com SQL Server SELECT DISTINCT - SQL Server Tutorial
Introduction to SQL Server SELECT DISTINCT clause The query returns only distinct values in the specified column. In other words, it removes the duplicate values in the column from the result set. The... https://www.sqlservertutorial. SQL: How to select distinct on some columns - Stack Overflow
Using a cte with row number and count rows might get you what you need: Create and populate sample table (Please save us this step in your future questions): https://stackoverflow.com |