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SELECT Category, -- Replace with your actual column name for category COUNT(*) AS Count, CAST(COUNT(*) * 100.0 / SUM(COUNT(*)) OVER () AS decimal(10,2)) AS Percentage FROM YourTable GROUP BY Category;Result-------------------------Category     Count     PercentageM                    10                 10.0W                    90                 90.0

Create Table SaveChat ( ChatDate Date , ChatVar varchar(20),  ChatName varchar(50),  ChatCount Integer, Constraint tb_product_group_PK Primary Key(ChatDate,ChatName) )------------------------------------------------------------------------------------INSERT INTO SaveChat (ChatDate, ChatVar, ChatName, ChatCount) VALUES (@ChatDate, @ChatVar, @ChatName, @ChatCount) ON CONFLICT(ChatDate, ChatName) D..