Database measurements

Question

Someone knows how to estimate the size of a database table, what happens is that I have a database for a library and in the table called loan and I am asked to determine the size if this table had 300 records

Answer 1

These two came from web search on "estimate database table size" query:

https://dba.stackexchange.com/questions/46069/how-to-estimate-predict-data-size-and-index-size-of-a-table-in-mysql

https://docs.microsoft.com/en-us/sql/relational-databases/databases/estimate-the-size-of-a-table