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Hello, I have a table that's loaded by some data from an odbc call and the structure is as follows: q)meta res c | t f a ----------| ----- id | C first_name| C last_name | C email | C Updating the column type for "id" to a symbol using the following ...

Hello,I have a table with 'parent' and 'child' columns containing an id. I have another column named 'chain' that is a list containing id's of parents all the way to the root. This means that for a given row, the chain column contains the path to the...