kdbfaq

Posts by this author:

q truncates the results in stdout. How can …

q truncates the results in stdout.  How can I fix it? View Post

How do I use the timer?

How do I use the timer? View Post

What environment variables do I need to know …

What environment variables do I need to know about when kdb starts up? View Post

I know k sits under q. By porting …

I know k sits under q.  By porting q code to k, will it run faster? View Post

I defined an untyped list, but I get …

I defined an untyped list, but I get a type error when I add more than one element to it?  How do I store mixed data in a list? View Post

Does q have closures?

Does q have closures? View Post

Why doesn’t ‘select from tablename where name = `…

Why doesn’t ‘select from tablename where name = `ABC/A’ work? View Post

What does ‘NUC mean?

What does ‘NUC mean? View Post

How do I save a table to delimited …

How do I save a table to delimited text? View Post

When I launch kdb with a directory, what …

When I launch kdb with a directory, what exactly happens on start up and in what order? View Post

I wish to keep sym file small. How …

I wish to keep sym file small.  How can I find out if I will be introducing a new symbol before splaying the data out to disk? View Post

How can I define my own infix functions?

How can I define my own infix functions? View Post

Why doesn’t my query ‘select from reallybigtable’ …

Why doesn’t my query ‘select from reallybigtable’ ever return? View Post

How do I store mixed data types in …

How do I store mixed data types in a single column of a table? View Post

How does kdb compare to cloud computing?

How does kdb compare to cloud computing? View Post

How do I extract the milliseconds from a …

How do I extract the milliseconds from a time? View Post

Can I simply invoke garbage collect and clear …

Can I simply invoke garbage collect and clear the root namespace instead of restarting the process to reinitialize my database? View Post

How portable is q code across operating systems?

How portable is q code across operating systems? View Post

Given a value, how do I get the …

Given a value, how do I get the null of that value’s type? View Post

What are 0!, 1! and 2!?

What are 0!, 1! and 2!? View Post


This work is licensed under a Creative Commons License.
The views and opinions expressed herein are those of the authors and do not necessarily reflect those of any other person or legal entity.
Kdb+ is the registered trademark of Kx Systems, Inc.