Sql select distinct by one column

ID SKU PRODUCT ===== FOO-Orange BAR-Orange FOO-Apple FOO-Orange I want. For the demonstration, we will use the customers table from the sample database. DISTINCT for only one Column - Stack. I need to query an SQL database to find all distinct values of one column and I need an arbitrary value from another column. In this syntax, the combination of values in the column _ column _ and column _are used to determine the uniqueness of the data.

Example to get distinct values of a Column. In this example, we shall consider the following table data. For age column , there are two distinct values 10. For section column , there are three distinct values A, B, C. For gender column , there are two distinct values M, F. SQL HOME SQL Intro SQL Syntax SQL Select SQL Select Distinct SQL Where SQL An Or, Not SQL Order By SQL Insert Into SQL Null Values SQL Update SQL Delete SQL Select Top SQL Min and Max SQL Count, Avg, Sum SQL Like SQL Wildcards SQL In SQL Between SQL Aliases SQL Joins SQL Inner Join SQL Left Join SQL Right Join SQL Full Join SQL Self Join SQL.

Rate this: Please or sign in to vote. SELECT one column , with multiple columns returned where other columns are same, mysql query. In this article, we will show you, How to write SQL Select Distinct with an example. How do the SQL Distinct and SQL TOP SELECT modifiers Work Together in the same SELECT statement to create a new result set? So in this case the statement will return distinct rows for FirstName and LastName.

Ask Question Asked years, month ago. You can select distinct for more than one column , however, the distinct refers to all the columns in the select list. In your example, if you leave out the parens, it should work fine.

If you need to select distinct values of only some columns, then you need to concatenate them as Brad suggested. The following statement retrieves the salary data from the employees table and sorts it in descending order. It works just like a regular query, and it will only show you unique.

But I want a single column to have distinct values. It means that the query will use the combination of values in all columns to evaluate the distinction. If you want to select distinct values of some columns in the select list, you should use the GROUP BY clause.

APPLIES TO: SQL Server Analysis Services Azure Analysis Services Power BI Premium Returns all possible states for the selected column in the model. Any value that has a duplicate will only show up once. SELECT clause, which was the hidden column that needed to be seen. Your table may contain duplicate values in a column and in certain scenarios you may require fetching only unique records from the table.

Select with distinct on multiple columns and order by clause. You can use an order by clause in select statement with distinct on multiple columns. You just need to specify the column name which contains many same data and you want to fetch only the unique data. A table may contain many duplicate data and to get an accurate result on your application.

In this SQL Distinct Keyword tutorial, we saw the concept of the distinct keyword in SQL. Moreover, we discussed SQL distinct column, SQL Distinct example, SQL distinct multiple columns, and also where use distinct SQL. Still, if any doubt regarding SQL Distinct Keywor ask in the comment tab. SQL Select query statement ในบางครั้งข้อมูล column ที่เรานำมาแสดงผล อาจจะมีข้อมูลซ้ำกันบ้าง ซึ่งในบทความที่แล้วเราสามารถนำ SQL GROUP BY มาทำการจัด. For backward compatibility, using the TOP expression without parentheses in SELECT statements is supporte but we do not recommend it.

For more information, see TOP (Transact- SQL ). The columns to be selected for the result set. The select list is a series of expressions separated by commas. We can count during aggregation using GROUP BY to make distinct when needed after the select statement to show the data with counts.

There are many different reasons that one may have for requesting unique values from fields. Beginning to explore SQL queries? The SELECT UNIQUE construct is an Oracle-only SQL statement.

How do I select unique values from one column while returning multiple columns? Gathers the result with two columns where name and dept are merged together in a single column. Since you are not using SQL , you must be using standard.

If you specify one column , the database engine uses the values in the column to evaluate the uniqueness.