I was looking for how to implement combining the amounts of int fields of different tables and found this answer - https://stackoverflow.com/a/2387773/6763536 everything works but I just can’t understand what x character is at the end of the query without which mysql returns an error and why need a
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one
- oneA subquery must have a name by which it can be accessed. That 'x' is this name - Mike
- alias he is also called - Yaroslav
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