Row size too large error in mysql create table query

Question

I am trying to create a table with the below query

Create Table PerformaceReport
(
campaignID int,
keywordID bigint,
keyword varchar(8000),
avgPosition decim         


        

Answer 1

65535 bytes is the max row size for mysql.

With utf8mb4 charset, varchar(255) means this column at most uses 255 * 4 + 1 bytes. So it depends on what charset table use.