   phrase TEXT NOT NULL,
   primary_phrase BIT NOT NULL,
   cluster_id INT NOT NULL
-);
+) CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
 
 CREATE INDEX ix__search_concept_cluster_phrases__search_id ON search_concept_cluster_phrases (search_id);
 ALTER TABLE search_concept_cluster_phrases ADD CONSTRAINT fk__search_concept_cluster_phrases__searches FOREIGN KEY (search_id) REFERENCES searches (search_id);

  search_id BIGINT NOT NULL,
  name TEXT NOT NULL,
  domain VARCHAR(255)
);

CREATE INDEX ix__search_indexes__search_id ON search_indexes (search_id);
ALTER TABLE search_indexes ADD CONSTRAINT fk__search_indexes__searches FOREIGN KEY (search_id) REFERENCES searches (search_id);

  search_id BIGINT AUTO_INCREMENT PRIMARY KEY,
  user_id BIGINT NOT NULL,
  search_type INT NOT NULL,
  title VARCHAR(255) NOT NULL,
  query_text TEXT NOT NULL,
  start_date DATETIME,
  end_date DATETIME,
