mysql distinct 在 MySQL distinct count if conditions unique - Stack Overflow 的評價 Here's one option using a subquery with DISTINCT : SELECT COUNT(*) gender_count, SUM(IF(gender='male',1,0)) male_count, ... ... <看更多>
mysql distinct 在 MySQL: Using DISTINCT and GROUP BY together? - DBA ... 的評價 ad 1) Old mysql databases and when you disable ONLY_FULL_GROUP_BY , you can make this query and if the post_content are all equal you would ... ... <看更多>
