Metadata¶
Operators and keywords that get or set metadata.
attr-
Attributes of a list
cols-
Columns of a table
fkeys-
Foreign keys of a table
key-
Variously:
- Keys of a dictionary
- key columns/s of a keyed table
- contents of a filesystem directory
- whether a file exists
- whether a variable name is in use
- name of the table linked to by a foreign-key column
- type of a vector
- name of an enumerating list
- a synonym for
til
keys-
Primary key column/s of a table
meta-
Metadata for a table
#Set Attribute-
Set the attribute of a list
tables-
List of tables in a namespace
type-
Datatype of an object
.Q.ty-
Datatype as a character code
value-
Variously
- values of a dictionary
- value of a variable passed by name
- symbol vector of an enumeration
- metadata of a function
- metadata of a view
- decomposition of a projection or composition
- internal code of a primitive
- original map of an extension
- internal code of a primitive function
- the result of applying the first item of a list to the rest of it
- the result of evaluating a string
view-
Expression defining a view
views-
List of views in the default namespace