Let\'s suppose I have a mod开发者_StackOverflowel with only two fields: name and street name. How would I find out the number of different *street names* in a controller method?This will return the t
To simplify, I have tree tables: products, products-vs-orders, orders products fields : \'ProductID\', \'Name\', \'isGratis\', ...
I\'m try开发者_StackOverflow中文版ing to write a query using these four simplified tables: Organization
I\'m looking for a way to copy a range of cells, but to only copy the cells that contain a value. In my excel sheet I have data running from A1-A18, B is empty and C1-C2. Now I would like to copy all
How can I modify this query to return results that exclude all records that have a duplicate DocNum? SELECT IdEntry, DocNum, CardCode, QUOTENAME(CardName,\'\"\'),
I need a help with a query. I think is not so difficult. I need to do a select with distinct and at the same time, do a count(*) of how many rows are returned by this distinct.
I\'m trying to learn how to configure my .vimrc file with my own functions. I\'d like to write a function that traverses every line in a file and counts the total number of characters, but ignores a
I am trying to count the number of companies that have at least one product from the following query SELECT count(*)
I have the following query (Wordpress DB). This will return data for the comment that has the most combined \"up\" and \"down\" ratings:
How would someone go on counting the number of unique items in a list? For example say I have {1, 3, 3, 4, 1, 3} and I want to get the number 3 which represent the number of unique items in the list(
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