Datasource Elements

Each datasource contains different types of elements which are stored in an internal cache by Mail & Deploy, so they can be accessed rapidly during report design and when setting up tasks. This internal cache needs to be rebuilt, if the structure not the data of the datasource changes (see Datasources).

Example: If a new field, variable, bookmark, embedded report or object has been added to your datasource (e.g. a QlikView document), then rebuilding the cache of datasource elements is required, if you want to use the newly added elements in Mail & Deploy. If the datasource has been reloaded, the cache does not have to be rebuilt, because no structural changes have taken place in the datasource.


The datasource element cache of a datasource can automatically be rebuilt on a regular basis (see Rebuild Datasource Cache Action) in a task (see Tasks).

In the following the datasource elements will be described:

Bookmarks
This type of datasource element represents a bookmark that stores a state of the datasource. Bookmarks can be used to restore the state that they store (see Activate Datasource Bookmark Action).


Embedded Reports
This type of datasource element represents a report that is embedded in the datasource, such as a report designed with QlikView Desktop Client or a story in a Qlik Sense app. Embedded reports can be used as reports (see Datasource Embedded Reports).


Fields 
This type of datasource element represents a single field that contains one or more values in the datasource. Fields can be used in various ways, such as in expressions (see Expressions), to apply a filter (see Filter Datasource Field Action), to perform a cycle over the values of a field (see Cycle Action) etc.

Objects
This type of datasource element represents various types of objects (such as a chart or a table) in the datasource. Objects can be included in reports ( Reports), especially by using them a report elements (see Report Elements).


Variables 
This type of datasource element represents a variable of a datasource that contains a value. Variables can be used in expressions (see Expressions).

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