I know it could be difficult to query a single item that saved in an array in wordpress postmeta table, but I have lots of metadata for a single post which may create too many rows for the postmeta table. So, I guess it might be better to save the meta in an array for each post, then, create an object to query the meta so that I can access the data by
My question is:
Will it be really bothering when the postmeta table has too many rows?
Does saving data as array really solve my doubts?