| Name | Description | Type | Package | Framework |
| BTAbstractLoggable | Class | org.exist.storage.btree | ExistDB | |
| BTree | A general purpose B+-tree which stores binary keys as instances of Value. | Class | org.exist.storage.btree | ExistDB |
| BTreeCallback | BTreeCallback is a callback interface for BTree queries. | Interface | org.exist.storage.btree | ExistDB |
| BTreeException | A BTreeException is thrown by the BTree if an exception occurs in the managing of the BTree. | Class | org.exist.storage.btree | ExistDB |
| CreateBTNodeLoggable | Class | org.exist.storage.btree | ExistDB | |
| DBException | A DBException is thrown by the database if an exception occurs in the managing (creating, dropping) database objects such as Collections, Indexes, | Class | org.exist.storage.btree | ExistDB |
| IndexQuery | IndexQuery represents the most primitive form of index querying. | Class | org.exist.storage.btree | ExistDB |
| InsertValueLoggable | Log object representing the insertion of a new btree key. | Class | org.exist.storage.btree | ExistDB |
| Paged | Class | org.exist.storage.btree | ExistDB | |
| Paged .PageHeader | Class | org.exist.storage.btree | ExistDB | |
| RemoveValueLoggable | Class | org.exist.storage.btree | ExistDB | |
| SetPageLinkLoggable | Created by IntelliJ IDEA. | Class | org.exist.storage.btree | ExistDB |
| SetParentLoggable | Class | org.exist.storage.btree | ExistDB | |
| TreeMetrics | Class | org.exist.storage.btree | ExistDB | |
| UpdatePageLoggable | Class | org.exist.storage.btree | ExistDB | |
| UpdateValueLoggable | Class | org.exist.storage.btree | ExistDB | |
| Value | Value is the primary base class for all data storing objects. | Class | org.exist.storage.btree | ExistDB |