The solution modifies the SQL query to use `COUNT(column1), COUNT(column2), ...` instead of `COUNT(*)`. This ensures that only rows with non-NULL values in the specified columns are counted. For the ...

The SQL query uses the `COUNT(*)` function incorrectly, leading to an inaccurate count. The `COUNT(*)` function counts all rows in a group, even if they have `NULL` values in the specified columns. If ...

I have a table that logs a record containing a userid, a fileid and a date, one record inserted every time that file is downloaded.<BR><BR>I want to get the top 10 downloads by count for a given date ...

The Count function helps you easily create a query that, based on any criteria, sums up the number of Access records you have. Here's how to use it.

I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 minutes ...

JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...