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  • 无法使用“为列指定别名”；作为「；在mysql中

无法使用“为列指定别名”；作为「；在mysql中

mysql

无法使用“为列指定别名”；作为「；在mysql中,mysql,column-alias,Mysql,Column Alias,查询： 从名称为“项目经理”的配置文件中选择批次作为高级项目经理批次，然后尝试批次 从配置文件中选择批次作为“高级项目经理”和批次 Select batch as Senior_PM_Batch from profile where designation = 'project manager' and batch <= ALL(select batch from profile where designation = 'project manager'); Select batch a

查询：

从名称为“项目经理”的配置文件中选择批次作为高级项目经理批次，然后尝试批次


从配置文件中选择批次作为“高级项目经理”和批次

Select batch as Senior_PM_Batch from profile where designation = 'project manager' and batch <= ALL(select batch from profile where designation = 'project manager');



Select batch as `Senior_PM_Batch` from profile where designation = 'project manager' and batch <= ALL(select batch from profile where designation = 'project manager');