.TH alf\-metadata
.PP
Show metadata about a query, such as heading and candidate keys.
.SH Synopsis
.PP
\fB\fCalf\fR metadata \fIQUERY\fP
.SH Description
.PP
This command prints some metadata (e.g. heading, keys, etc.) about the
expression passed as first argument.
.SH Example
.PP
\fB\fCalf\fR \fB\fC\-\-examples\fR metadata "restrict(suppliers, city: 'London')"