Pergunta de entrevista da empresa DeepIntent
I have a table with date, campaignid, and impression columns. I need to write a SQL query to return campaignid, date, impression, and the percentage of daily impressions for each campaign.
I have a table with date, campaignid, and impression columns. I need to write a SQL query to return campaignid, date, impression, and the percentage of daily impressions for each campaign.