CREATE TABLE brand_questions (
    id                 BIGSERIAL PRIMARY KEY,
    tenant_id          BIGINT NOT NULL REFERENCES tenants(id),
    brand_id           BIGINT NOT NULL REFERENCES brands(id),
    keyword_id         BIGINT NOT NULL REFERENCES brand_keywords(id),
    current_version_id BIGINT,
    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 INDEX idx_brand_questions_keyword ON brand_questions(keyword_id);
