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Docs: Data model -> Data models, note that NOT_NULL() is equal to SQL's COALESCE()

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Simran Brucherseifer 2016-08-11 19:20:37 +02:00
parent e0800cfd9b
commit 0de1a20f4a
3 changed files with 6 additions and 5 deletions
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7
Documentation/Books/AQL/Functions/Miscellaneous.mdpp
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@ -6,11 +6,12 @@
`NOT_NULL(alternative, ...) → value` `NOT_NULL(alternative, ...) → value`
Return the first alternative that is not *null*, and *null* if all alternatives Return the first element that is not *null*, and *null* if all alternatives
are *null* themselves. are *null* themselves. It is also known as `COALESCE()` in SQL.
- **alternative** (any, *repeatable*): input of arbitrary type - **alternative** (any, *repeatable*): input of arbitrary type
- returns **value** (any): - returns **value** (any): first non-null parameter, or *null* if all arguments
are *null*
!SUBSECTION FIRST_LIST() !SUBSECTION FIRST_LIST()

2
Documentation/Books/Manual/DataModeling/README.mdpp
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!CHAPTER Data model & modeling !CHAPTER Data models & modeling
This chapter introduces ArangoDB's core concepts and covers This chapter introduces ArangoDB's core concepts and covers

2
Documentation/Books/Manual/SUMMARY.md
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@ -21,7 +21,7 @@
* [Data models](Scalability/DataModels.md) * [Data models](Scalability/DataModels.md)
* [Limitations](Scalability/Limitations.md) * [Limitations](Scalability/Limitations.md)
# #
* [Data model & modeling](DataModeling/README.md) * [Data models & modeling](DataModeling/README.md)
# * [Collections](FirstSteps/CollectionsAndDocuments.md) #TODO # * [Collections](FirstSteps/CollectionsAndDocuments.md) #TODO
* [Concepts](DataModeling/Concepts.md) * [Concepts](DataModeling/Concepts.md)
* [Databases](DataModeling/Databases/README.md) * [Databases](DataModeling/Databases/README.md)