Actual sample data $($incomplete$)$ for 'painting' table is below:

Table structure and design for 'painter' is below:

Actual sample data $($incomplete$)$ for 'painter' table is below:

a$.$ From the above data, what type of relationships: one$-$to$-$one, one$-$to$-$many, or many$-$to$-$many, do the above two tables have? Explain your answer.

b$.$ The above database contains an error in the data. Identify and describe this error. $(5$ marks$)$