Database Selection

  -dbs       Print all database names
  -db        Database name (or "all")

Data Summaries

  -fields    Print field names
  -links     Print link names

Field Example

  <Field>
    <Name>ALL</Name>
    <FullName>All Fields</FullName>
    <Description>All terms from all searchable fields</Description>
    <TermCount>245340803</TermCount>
    <IsDate>N</IsDate>
    <IsNumerical>N</IsNumerical>
    <SingleToken>N</SingleToken>
    <Hierarchy>N</Hierarchy>
    <IsHidden>N</IsHidden>
    <IsTruncatable>Y</IsTruncatable>
    <IsRangable>N</IsRangable>
  </Field>

Link Example

  <Link>
    <Name>pubmed_protein</Name>
    <Menu>Protein Links</Menu>
    <Description>Published protein sequences</Description>
    <DbTo>protein</DbTo>
  </Link>
  <Link>
    <Name>pubmed_protein_refseq</Name>
    <Menu>Protein (RefSeq) Links</Menu>
    <Description>Link to Protein RefSeqs</Description>
    <DbTo>protein</DbTo>
  </Link>