Are male dog and female pig compatible in marriage?

Well, yes. They will have an equal and happy marriage. Although there are something different in the personalities, the male dog and the female pig can stay together hamoniously. They also won't care much about each other's shortcomings. By that, the character of the male dog's responsibility and the femle pig's mildness help a lot with the happy family atmosphere.
Therefore, they form a good match.