0
是否有可能從user
表中返回隨機選擇的行,並將頭包含爲第一行?在SQL我目前所面對的只是返回5個隨機行(不一定是頭部)是否可以按ORDER BY RAND()限制但包含標題?
SELECT
'id',
'name'
UNION ALL SELECT
id,
name
INTO OUTFILE 'example.txt'
FIELDS TERMINATED BY ' , ' ENCLOSED BY '"' ESCAPED BY '\\' LINES TERMINATED BY '\r\n'
FROM
users
ORDER BY RAND() LIMIT 5