Q&A for professional and enthusiast programmers
DECLARE @TagName varchar(128) = '%##TagName##%' SELECT COUNT(*) from Posts P WHERE P.Id IN ( SELECT DISTINCT(PostId) from PostTags WHERE PostTags.TagId In ( SELECT Id From Tags Where TagName LIKE @TagName ) ) SELECT COUNT(*) from Posts P WHERE P.Id IN ( SELECT DISTINCT(PostId) from PostTags WHERE PostTags.TagId In ( SELECT Id From Tags Where TagName LIKE @TagName ) ) AND P.AcceptedAnswerId IS NOT NULL SELECT SUM(P.AnswerCount) from Posts P WHERE P.Id IN ( SELECT DISTINCT(PostId) from PostTags WHERE PostTags.TagId In ( SELECT Id From Tags Where TagName LIKE @TagName ) )