In this post, we are going to see how to select distinct values from SQL queries/statements. One of the easiest ways to select distinct values is using the DISTINCT keyword. Let's explore this keyword first. DISTINCT DISTINCT is used to remove duplicate rows from the SELECT query and only ...
Select –We can select the data as per the condition which was given in the query. This is the SQL statement that was used to select the specified data from a table. We can use select with a distinct count statements to retrieve unique count from the column. Name of column –This is ...
If you don’t want to remove duplicate data, or if you’re sure that there will be no duplicates in the result set, then you can use ALL instead of DISTINCT. But ALL is the default keyword in SQL statements, so we usually omit it from query statements. Conclusion This tutorial provides...
Select Distinct in SQL A Brief on the SELECT Query in SQL The Select query in SQL is one of the most important commands in SQL, and it is used to get data from a table. Syntax SELECT column1, column2, columnN FROM tablename; ...
Which is used to count distinct visits in about 20 hospitals. This SQL will take more than 10 seconds to finish on their server. I did a test on my virtual machines with the same table but with populated data(6,000,000 records) then it will took about 16 seconds to finish the search...
How to add distinct values to a Dictionary using LINQ query. How to add dynamically an ASP:Control to a Div which is also created dynamically using C# code How to add filters in ASP .Net GridView column headers How to add hash tag when typing in textbox and it will display as alink ...
In that case, we replace the description with the product name. The following query uses CASE to convert long descriptions to NULL, then uses COALESCE() to fallback to the product name. SELECT DISTINCT product_name, description, COALESCE( CASE WHEN LENGTH(description) >= 60 THEN NULL ELSE ...
How to put distinct and count of distinct values in one column in SQL ServerHere's one way ...
SQL Server How to Distinct Values from Different Columns in SQLThis can be done usingLEASTand...
Below is the description syntax of SQL select distinct multiple columns statement: Select:Using select, we can select the data as per the condition given in the query. For example, we can choose a distinct statement to retrieve unique records from the table. ...