| '''2. Main memory indexes'''
| 1. Key/value pairs, in no particular order ({{Type|Token}}/{{Type|Token}}):<br /> • {{Code|TAGS}} → Tag Index<br /> • {{Code|ATTS}} → Attribute Name Index<br /> • {{Code|PATH}} → Path Index<br /> • {{Code|NS}} → Namespaces<br /> • {{Code|DOCS}} → Document Index<br/>2. Empty key as finalizer
| [https://github.com/BaseXdb/basex/blob/master/basex-core/src/main/java/org/basex/data/DiskData.java DiskData()]
|-
| '''2 a) Name Index'''<br/>Tag/attribute names