您是否使用Teradata尝试了以下语法:
UPDATe CUSTOMERS C1 FROM (SELECt C2.link_ID FROM CUSTOMERS C2 INNER JOIN RESTAURANTS R2 ON C2.link_ID = R2.link_ID WHERe R2.REST_TYPE = 'DINER' AND C2.LIKES_US IS NULL) D1 SET LIKES_US = 'Y' WHERe C1.link_ID = C2.link_ID

您是否使用Teradata尝试了以下语法:
UPDATe CUSTOMERS C1 FROM (SELECt C2.link_ID FROM CUSTOMERS C2 INNER JOIN RESTAURANTS R2 ON C2.link_ID = R2.link_ID WHERe R2.REST_TYPE = 'DINER' AND C2.LIKES_US IS NULL) D1 SET LIKES_US = 'Y' WHERe C1.link_ID = C2.link_ID