code: public static String getSQLStatementRuleDefinitionFileName(final String rootDir, final DatabaseType databaseType) {
          return Joiner.on('/').join(rootDir, databaseType.name().toLowerCase(), SQL_STATEMENT_RULE_DEFINITION_FILE_NAME);
      }
docs: Get SQL statement rule definition file name.
  
  @param rootDir root dir
  @param databaseType database type
  @return SQL statement rule definition file name