select column from a table based on a variable name in q kdb as a list

I have a table like :

select column from a table based on a variable name in q kdb as a list

I have a table like :

select column from a table based on a variable name in q kdb as a list

I have a table like :

kdb : self join to select duplicate with a condition

I have a table:

What kdb+/q concepts and use cases should I focus on for a kdb+ developer interview at an investment bank? [closed]

Closed 31 mins ago.

What kdb+/q concepts and use cases should I focus on for a kdb+ developer interview at an investment bank? [closed]

Closed 31 mins ago.

What kdb+/q concepts and use cases should I focus on for a kdb+ developer interview at an investment bank? [closed]

Closed 31 mins ago.

What kdb+/q concepts and use cases should I focus on for a kdb+ developer interview at an investment bank? [closed]

Closed 31 mins ago.

What kdb+/q concepts and use cases should I focus on for a kdb+ developer interview at an investment bank? [closed]

Closed 31 mins ago.

What kdb+/q concepts and use cases should I focus on for a kdb+ developer interview at an investment bank? [closed]

Closed 31 mins ago.