        [{"id":"840f0737-df1d-47ae-bb0a-359b01fe0608","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"d5d9cdef-8854-4505-89be-a2bbc3cb4482","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"3dc3dd55-35b0-4d23-bf62-47bc3650e4ee","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"80d84fbc-d0f8-4e4a-947f-e3e4de9b49b2","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]},{"id":"9152b7ca-0186-4fe3-a26f-5a05f322db07","tags":[{"product":null,"links":null,"id":"adf72f47-7f61-4239-8392-b9bcc127fa80","name":"\u65B0\u589E","color":"green","productId":"0995490e-43fc-4d6e-bc8d-8e66f38b0c63"}]}]

多表关联

在实际使用数据的过程中，经常会有需要将多个数据表拼接成一张表使用的情况。因此 Wyn 提供了联合（Union）和连接（Join）功能来实现数据表的左右拼接和上下拼接。

其中联合（Union）包括全联合（Union All）和联合（Union）；

连接（Join）包括内连接（Inner Join）、左连接（Left Join）、右连接（Right Join）和全连接（Full Join）。