Nieuws

-- The distinct keyword is used in conjunction with the select keyword. It is helpful when there is a need to avoid duplicate values present in any specific columns/table. When we use distinct ...
You can use the `Distinct` clause to return a list of unique items. The `Distinct` clause causes the query to ignore duplicate query results. The `Distinct` clause applies to duplicate values for all ...
The CREATE VIEW statement incorporates a WHERE clause as part of its SELECT clause. The DISTINCT keyword eliminates any duplicate rows of customer numbers that occur when companies order an ...