Tables with many columns

1. Can a database table have too many columns?
2. How many columns can a table have?

Can a database table have too many columns?

Column Count Limits

MySQL has hard limit of 4096 columns per table, but the effective maximum may be less for a given table.

How many columns can a table have?

For the columns in a table, there is a maximum limit of 1024 columns in a table. SQL Server does have a wide-table feature that allows a table to have up to 30,000 columns instead of 1024.