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This article is part of the [[Advanced User's Guide]].
It lists statistics on various XML databases instances that have been created with BaseX, with value and full-text indexes turned off.The URLs to the original sources, if available or public, are listed below. [[Databases]] in BaseX are light-weight. If a database limit is reached, you can distribute your documents across multiple database instances and access all of them with a single XQuery expression.
== Databases ==
 
* FileSize is the original size of the input documents
* #Files indicates the number of stored XML documents
* #DbSize is the size of the resulting database (excluding the [[Indexes#Value Indexes|value index structures]])
* #Nodes represents the number of XML nodes (elements, attributes, texts, etc.) stored in the database
* #Attr indicates the maximum number of attributes stored for a single element
* #ENames and #ANames reflect the number of distinct element and attribute names
* #URIs represent the number of distinct namespace URIs
* Height indicates the maximum level depth of the stored nodes
{| class="wikitable sortable"
| '''Limits'''
|'''512 GiB'''<br/>(2^39 Bytes)
|'''536870912536'870'912'''<br/>(2^29)
|''no limit''<br/>&nbsp;
|'''2'147'483'648'''<br/>(2^31)
| 9
|-
| Inex209Inex2009
| 31 GiB
| 2'666'500
| 13
|}
 
This is the meaning of the attributes:
 
* ''FileSize'' is the original size of the input documents
* ''#Files'' indicates the number of stored XML documents
* ''#DbSize'' is the size of the resulting database (excluding the [[Indexes#Value Indexes|value index structures]])
* ''#Nodes'' represents the number of XML nodes (elements, attributes, texts, etc.) stored in the database
* ''#Attr'' indicates the maximum number of attributes stored for a single element
* ''#ENames'' and #ANames reflect the number of distinct element and attribute names
* ''#URIs'' represent the number of distinct namespace URIs
* ''Height'' indicates the maximum level depth of the stored nodes
== Sources ==
| compiled from Twitter feeds
|}
 
[[Category:Internals]]
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