select distinct column
It will return only rows where the columns do not match exactly the same. SELECT DISTINCT ID, Email, ProductName, ProductModel FROM ..., You can try this. DECLARE @T TABLE (COD INT, ID INT, VALUE VARCHAR(20)) INSERT INTO @T VALUES(28, 1, NULL), (28, ...,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 ;. ,This tutorial shows you how to use the Oracle SELECT DISTINCT statement to get distinct rows based on one or more columns. , Assuming that you're on SQL Server 2005 or greater, you can use a CTE with ROW_NUMBER(): SELECT * FROM (SELECT ID, SKU, Product, ..., Since you don't care, I chose the max ID for each number. select tbl.* from tbl inner join ( select max(id) as maxID, number from tbl group by ..., ,SQL SELECT DISTINCT with COUNT on ROWS or on one columns. ,SQL SELECT with DISTINCT on multiple columns: Multiple fields may also be added with DISTINCT clause. DISTINCT will eliminate those rows where all the ... ,This tutorial shows you how to use the SQL Server SELECT DISTINCT clause to retrieve the only distinct values in a specified list of columns.
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 select distinct column 相關參考資料
DISTINCT for only one column - Stack Overflow
It will return only rows where the columns do not match exactly the same. SELECT DISTINCT ID, Email, ProductName, ProductModel FROM ... https://stackoverflow.com How can I select distinct by one column? - Stack Overflow
You can try this. DECLARE @T TABLE (COD INT, ID INT, VALUE VARCHAR(20)) INSERT INTO @T VALUES(28, 1, NULL), (28, ... https://stackoverflow.com How to select distinct for one column and any in another column ...
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 Oracle SELECT DISTINCT By Practical Examples
This tutorial shows you how to use the Oracle SELECT DISTINCT statement to get distinct rows based on one or more columns. https://www.oracletutorial.com SELECT DISTINCT on one column - Stack Overflow
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 SQL - select distinct only on one column - Stack Overflow
Since you don't care, I chose the max ID for each number. select tbl.* from tbl inner join ( select max(id) as maxID, number from tbl group by ... https://stackoverflow.com SQL SELECT DISTINCT Statement - W3Schools
https://www.w3schools.com SQL SELECT DISTINCT | COUNT | ROWS | On one columns ...
SQL SELECT DISTINCT with COUNT on ROWS or on one columns. https://www.dofactory.com SQL SELECT with DISTINCT on multiple columns - w3resource
SQL SELECT with DISTINCT on multiple columns: Multiple fields may also be added with DISTINCT clause. DISTINCT will eliminate those rows where all the ... https://www.w3resource.com SQL Server SELECT DISTINCT - SQL Server Tutorial
This tutorial shows you how to use the SQL Server SELECT DISTINCT clause to retrieve the only distinct values in a specified list of columns. https://www.sqlservertutorial. |