The relational model fragment in figure $6$ shows that a client can be sponsored by a

charity or company.

Convert the relational representation, including the constraints, shown in Figure $6$ to

appropriate SQL Data Definition Language statements to create tables representing the

same data requirements.

You are not required to define any additional tables, nor should you add any additional

attributes to either relation. The named domains are defined below figure $6.$ You can

assume that the standard PostgreSQL datatypes are available.

Figure $6$ A relational model of the relationship SponsoredBy between the relations

Client and Sponsor.

Domains used in Figure $6$; you can assume these have already been defined in SQL

ClientNumbers: CHAR$(5)$

NameStrings: VARCHAR$(120)$

EmailStrings: VARCHAR$(100)$ CHECK$($VALUE LIKE $\text{'}\%$@$\%\text{'})$

SponsorTypes: VARCHAR$(7)$