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kdb+ Interview Questions Quiz

kdb+ Questions Quiz

The below questions are meant as a small challenge to see if you are a kdb God or a mere mortal.

Top 10 Scoreboard

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2023-04-18 23:54:05Raja10
2023-03-07 02:03:40test10
2023-01-19 02:54:10Freddie Wu10
2023-01-18 23:45:36CM10
2023-01-18 15:09:32AF10
2023-01-05 13:57:06Arthur Shakti10
2022-12-06 09:51:34frank lin10
2023-05-25 12:09:47Karan Patel9
2023-05-14 20:28:00Nikhil Muthukrishnan9
2023-04-16 19:24:50Peadar Donnelly9

Quiz Questions

  1. Which function can be used to enumerate the symbol columns of a table?
    .Q.fk
    .Q.pf
    .Q.en
    .Q.P

  2. Attributes in kdb allow describing or applying data structures to lists to allow queries to run faster.
    Which of these is NOT an attribute in kdb?
    s
    u
    g
    r

  3. Which command can be used to set the size of the terminal console?
    \c
    \C
    \p
    \P

  4. Which function allows renaming columns?
    xren
    xcol
    as
    xcols

  5. Which command line option allows kdb to run in a read-only mode?
    -r
    -b
    -u
    -z

  6. Which function can be used to sort a list (in numerically increasing order)?


  7. Which event handler can be overridden to control access via a username and password


  8. Which function is used to search and replace text within a string?


  9. Which kdb function can be used to set an environment variable?


  10. Which function can be used to return the command line arguments that launched kdb
    .z.X
    .Q.opt
    .z.c
    None of the above.

We are only allowing one entry per person. Anyone found with multiple entries will be disqualified and deemed ineligible.

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