Hi.

This must be the most obvious thing to do, but I just can't seem to
find examples of how to do this. I would like to create a table with a
table unique constraint on database level.

In deed some migration code that would generate the following SQL

CREATE TABLE properties (
  namespace CHAR(50),
  name      CHAR(50),
  value     VARCHAR(100),
  CONSTRAINT my_constraint UNIQUE (namespace, name)
);

Jarl

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