我想选择没有发布任务的用户。 我已经试过这样: SELECT
e.id, e.companyName, ee.emailAddress, ee.firstName, ee.surname
FROM
employer as e, country as country, employerUser as ee , countryRegion as re, job as j
WH
为什么COALESCE(date1,date2)返回Blob(二进制)?两列均为DATETIME。 下面是完整的SQL查询: SELECT COALESCE(last_modified, date_purchased)As LastModifiedOrPurchased
FROM Orders
ORDER BY COALESCE(last_modified, date_purchased)DE
SELECT xp.productid, xp.product, xc.classid, xiW.date, xco.optionid, xco.option_name, xiW.id, xiW.image_path, xiW.path_on_server
FROM xcart_products xp
INNER JOIN xcart_variants xv ON xp.pro