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I have 2 tables, the left table has data like this: I do a left join with another table with the following expres...

Count with IF condition in MySQL query?

I have two tables, one is for news and the other one is for comments and I want to get the count of the comments who...

LINQ: combining join and group by?

I have a query that combines a join and a group, but I have a problem. The query is like: var result = from p in P...