Search found 2 matches
- Mon Jun 04, 2012 2:24 pm
- Forum: statistics
- Topic: Learning Kdb+/q
- Replies: 15
- Views: 23386
- Gender:
Ways to inserting data into q table:
Creating a table: q)trade : ([]sym: (); price: (); volume: `int$()) show table q)trade sym price volume ---------------- Ways to insert data into tables: q)insert[`trade](`aaa;53.75;1200) ,0 --------> / row added i.e first row q)trade sym price volume ---------------- aaa 53.75 1200 q)insert[`trade...
- Mon Jun 04, 2012 2:19 pm
- Forum: statistics
- Topic: Learning Kdb+/q
- Replies: 15
- Views: 23386
- Gender:
Basic data structure
atoms: q)sym: `ibm List: q)price: 10.2 30.0 40.4 q)syms:`ibm`msft`goog q)volume: 1200 1100 2312 q)(syms;price;volume) ibm msft goog 10 30 40 1200 1100 2312 dictionary: q)dict:`syms`price`volume!(syms;price;volume) /dictionary q)dict syms | ibm msft goog price | 10 30 40 volume| 1200 1100 2312 table...