.Q.qp x

Where x

• is a partitioned table, returns 1b
• a splayed table, returns 0b
• anything else, returns 0

q)\
  B
+`time`sym`price`size!`B
  C
+`sym`name!`:C/
  \
q).Q.qp B
1b
q).Q.qp select from B
0
q).Q.qp C
0b