**Is your feature request related to a problem? Please describe.**
Hello, DOMAIN is an old but useful SQL feature.  A domain is essentially a data type with optional constraints (restrictions on the allowed set of values). The user who defines a domain becomes its owner.

But it can also be used for data cataloging/governance.

Some documentation here
https://www.sqlines.com/postgresql/statements/create_domain


**Describe the solution you'd like**
Support for CREATE, DROP, ALTER DOMAIN

**Describe alternatives you've considered**
N/A

**Additional context**
Already supported by tons of database

Support for ANSI SQL DOMAIN
This is a GitHub Issue
repo:MonetDB
owner:MonetDB
Title : Support for ANSI SQL DOMAIN
Issue date:

--- start body ---
**Is your feature request related to a problem? Please describe.**
Hello, DOMAIN is an old but useful SQL feature.  A domain is essentially a data type with optional constraints (restrictions on the allowed set of values). The user who defines a domain becomes its owner.

But it can also be used for data cataloging/governance.

Some documentation here
https://www.sqlines.com/postgresql/statements/create_domain


**Describe the solution you'd like**
Support for CREATE, DROP, ALTER DOMAIN

**Describe alternatives you've considered**
N/A

**Additional context**
Already supported by tons of database

--- end body ---
