CREATE TABLE brand_keywords (
    id         BIGSERIAL PRIMARY KEY,
    tenant_id  BIGINT NOT NULL REFERENCES tenants(id),
    brand_id   BIGINT NOT NULL REFERENCES brands(id),
    name       VARCHAR(200) NOT NULL,
    status     VARCHAR(20) NOT NULL DEFAULT 'active',
    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
    deleted_at TIMESTAMPTZ
);
CREATE UNIQUE INDEX uk_brand_keyword_name_active ON brand_keywords(brand_id, name) WHERE deleted_at IS NULL;