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Table meta-information
To get table fields, use monadic !
verb:
o)a:(+:)`a`b`c!(1 2 3;1 2 3;1 2 3); !a
`a`b`c
o)
Asking for table "values" results in a list of table vectors:
o)a:(+:)`a`b`c!(1 2 3;1 2 3;1 2 3); value a
1 2 3
1 2 3
1 2 3
o)
Every table can be queried for its length - the amount of "records" it contains:
o)a:(+:)`a`b`c!(1 2 3 4;1 2 3 4;1 2 3 4); #a
4
o)
Designated meta
verb returns column names, types and internal typed ids for a table:
o)meta (+:)`a`b`c!(1 2 3)
+`column`type`id!(`a`b`c;`long`long`long;45376 45376 45376)
()
o)
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