使用Chinook测试数据库,下面的SQL语句可以在SQLite中运行:但是如果我使用JOINs:JOIN playlisttrack AS plt ON pl.PlaylistId=plt.PlaylistId
JOIN track AS t ONplt.TrackId=t.TrackId WHERE pl.Name LIKE '%th
mysql> describe holidays;| Field | Type |+----------+--------------++----------+--= holidays.date AND timesheet.location = holidays.lid, 1, 0) AS is_holi