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<h1>UMLS Database Query Diagrams: <br />How to find all information associated with the metadata of a particular relationship (RUI value) or attribute (ATUI value)</h1>
<p><img src="images/er5_metadata.gif" alt="How to find all information associated with the metadata of a particular relationship (RUI value) or attribute (ATUI value) graph" /></p>
<p>This diagram shows how to find all information associated with the metadata of a particular relationship (RUI value) or attribute (ATUI value).</p>
<p>Searching for relationship STYPE1, STYPE2, or SUPPRESS values in MRDOC.RRF where DOCKEY is the field name will yield an expanded form of the abbreviated value of that field.</p>
<p>Two different types of information are found when searching for relationship REL values in MRDOC.RRF where the DOCKEY = 'REL.' One ("expanded_form") will yield an expanded form of the abbreviated REL value used within MRREL.RRF. The other ("rel_inverse") will yield the abbreviation of the inverse REL name (e.g., RB/RN). The inverse value itself will also always appear in MRDOC with "expanded_form" and "rel_inverse" entries (e.g., RN/RB).</p>
<p>Two different types of information are found when searching for relationship RELA values in MRDOC.RRF where the DOCKEY = 'RELA'. One ("expanded_form") will yield an expanded form of the abbreviated RELA value used within MRREL.RRF. The other ("rela_inverse") will yield the abbreviation of the inverse RELA name (e.g., has_part/part_of). The inverse value itself will also always appear in MRDOC.RRF with "expanded_form" and "rela_inverse" entries (e.g., part_of/has_part).</p>
<p>Searching for attribute ATN, STYPE, or SUPPRESS values in MRDOC.RRF where DOCKEY is the field name will yield an expanded form of the abbreviated value of that field.</p>
<p>Finally, searching for SAB values of either a relationship or attribute in MRSAB.RRF will yield detailed source provider information.</p>
<p>Corresponding Oracle Queries:</p>
<p>1. Find a relationship.<br /><br />SELECT * FROM mrrel <br />WHERE rui = 'R49116843';</p>
<p>2. Find expanded form of a REL for a relationship. <br /><br />SELECT a.expl FROM mrdoc a, mrrel b <br />WHERE b.rui = 'R49116843' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.rel <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'REL';</p>
<p>3. Find expanded form of a RELA for a relationship. <br /><br />SELECT a.expl FROM mrdoc a, mrrel b <br />WHERE b.rui = 'R49116843' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.rela <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'RELA';</p>
<p>4. Find expanded form of a STYPE1 for a relationship. <br /><br />SELECT a.expl FROM mrdoc a, mrrel b <br />WHERE b.rui = 'R49116843' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.stype1 <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'STYPE1';</p>
<p>5. Find expanded form of a STYPE2 for a relationship. <br /><br />SELECT a.expl FROM mrdoc a, mrrel b <br />WHERE b.rui = 'R49116843' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.stype2 <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'STYPE2';</p>
<p>6. Find expanded form of a SUPPRESS for a relationship. <br /><br />SELECT a.expl FROM mrdoc a, mrrel b <br />WHERE b.rui = 'R49116843' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.suppress <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'SUPPRESS';</p>
<p>7. Find source information for a relationship. <br /><br />SELECT a.* FROM mrsab a, mrrel b <br />WHERE b.rui = 'R49116843' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.rsab = b.sab <br />&nbsp;&nbsp;&nbsp;&nbsp; AND curver = 'Y';</p>
<p>8. Find inverse of a REL value <br /><br />SELECT expl FROM mrdoc <br />WHERE type = 'rel_inverse' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND dockey = 'REL' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND value = 'RB';</p>
<p>9. Find inverse of a RELA value <br /><br />SELECT expl FROM mrdoc <br />WHERE type = 'rela_inverse' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND dockey = 'RELA' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND value = 'part_of';</p>
<p>10. Find an attribute.<br /><br />SELECT * FROM mrsat <br />WHERE atui = 'AT25124036';</p>
<p>11. Find expanded form of a ATN for an attribute. <br /><br />SELECT a.expl FROM mrdoc a, mrsat b <br />WHERE b.atui = 'AT25124036' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.atn <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'ATN';</p>
<p>12. Find expanded form of a STYPE for an attribute.</p>
<p>SELECT a.expl FROM mrdoc a, mrsat b <br />WHERE b.atui = 'AT25124036' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.stype <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'STYPE';</p>
<p>13. Find expanded form of a SUPPRESS for an attribute.</p>
<p>SELECT a.expl FROM mrdoc a, mrsat b <br />WHERE b.atui = 'AT25124036' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.value = b.suppress <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.type = 'expanded_form' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.dockey = 'SUPPRESS';</p>
<p>14. Find source information for an attribute. <br /><br />SELECT a.* FROM mrsab a, mrsat b <br />WHERE b.atui = 'AT25124036' <br />&nbsp;&nbsp;&nbsp;&nbsp; AND a.rsab = b.sab <br />&nbsp;&nbsp;&nbsp;&nbsp; AND curver = 'Y';</p>
<p class=”margin-top-5”><small>Last Reviewed: July 29, 2016</small></p>
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