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It works simply if you use query like this: SELECT DISTINCT TOP 2 name FROM [ATTENDANCE] ; In the above query, name is the column_name and [ATTENDANCE] is the table_name. You can also use WHERE with this to make filtering conditions. edited Jun 15, 2017 at 22:23.
15 maj 2015 · SQL DISTINCT and TOP – Which is First? Let’s look at the first statement who purpose is to return a unique list of fist and last names. SELECT DISTINCT TOP 10 FirstName, LastName . FROM Person.Person. ORDER BY LastName; . TOP 10 will return the first ten items from the ordered set, and SQL DISTINCT will remove any duplicates.
5 paź 2022 · In this article, we will see how to use SQL DISTINCT and TOP in the same query. DISTINCT: This keyword is only used to return distinct or we can say different values. This keeps only a single repeating element and eliminates duplicate rows. TOP: The TOP clause is used when we want to return a specific number of records.
The SQL SELECT DISTINCT Statement. The SELECT DISTINCT statement is used to return only distinct (different) values. Example. Select all the different countries from the "Customers" table: SELECT DISTINCT Country FROM Customers; Try it Yourself »
The SELECT TOP clause is used to specify the number of records to return. The SELECT TOP clause is useful on large tables with thousands of records. Returning a large number of records can impact performance. Example. Select only the first 3 records of the Customers table: SELECT TOP 3 * FROM Customers; Try it Yourself »
The TOP, ALL and DISTINCT clauses, often known as predicates, are clauses used in queries, generally located in the SELECT before the FROM and used for filtering records.
The Select starter class has three methods you can use to create select statements: All(), which you’ve already seen, Distinct(), and Top(). Select.Distinct() works exactly the same way as Select.All() but removes duplicate rows from the result set.
