Questions tagged [distinct]
The DISTINCT keyword is essential for eliminating repeated values from the outcome of a SQL or SPARQL query.
I am working with a MySQL database table that has 4 columns labeled a, b, c, and d. My goal is to select the unique values from all four of these columns in my table. Below is a sample representation of my table: a b c d -------------------------- 1 ...
I need to retrieve the last 5 records inserted in a database from 10 different users. If the same user inserted the last 3 rows, I only want one row per user until I reach a count of 5. Consider a database structured like this: user_id | news_id | title ...
Presented here is an array. https://i.stack.imgur.com/zHXim.png The desired pattern is: https://i.stack.imgur.com/EGUiM.png I am interested in retrieving unique "CityRef" and "City". Subsequently, locating all items associated with them. ...
I'm attempting to calculate the distinct number of results from a row involving two additional tables, and I'm unsure of how to achieve this. Here is my current progress. I have tallied the total occurrences of a word in the database. $total = &q ...