目前当我将MYSQL表导出为CSV文件时,数据库中的NULL字段会显示为\N,这是预期的。请问在导出表格到CSV时,有没有一种方法可以将\N输出更改为空字符串?
谢谢
SELECT 'CU_CustomerID','CU_UserName','CU_Password','CU_Email','CU_Company','CU_Comment','CU_LastBasket','CON_FirstName','CON_MiddleI','CON_LastName','CON_Address1','CON_Address2','CON_City','CON_State','CON_Province','CON_Country','CON_Zip','CON_Phone1','CON_Phone2'
UNION
SELECT T1.CU_CustomerID,T1.CU_UserName,T1.CU_Password,T1.CU_Email,T1.CU_Company,T1.CU_Comment,T1.CU_ShopperPoints,T2.CON_FirstName,T2.CON_MiddleI,T2.CON_LastName,T2.CON_Address1,T2.CON_Address2,T2.CON_City,T2.CON_State,T2.CON_Province,T2.CON_Country,T2.CON_Zip,T2.CON_Phone1,T2.CON_Phone2
FROM CUSTOMERS AS T1
INNER JOIN CONTACT AS T2 ON T1.CU_CustomerID = T2.CON_CustomerID
WHERE T1.CU_CustomerID BETWEEN 0 AND 1000
INTO OUTFILE 'customers.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY '"'
ESCAPED BY "";
。 - JensSELECT ifNull('CU_CustomerID',''),ifnull('CU_UserName',''),...
- Jens