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Hi ,
You can use “select from” to extract the column from the trade table on disk, and then use “exec from” to extract the data from that column as a list.
To help you complete the capstone project you should first go through the course materials on KX Academy, specifically Fundamentals: qSQL queries will help with this question, or check out the link that Megan sent previously exec keyword | kdb+ and q documentation.
Hope this helps,
Laura