|Specifies a connection to a data source that is defined in the Settings.
For elements connecting to relational databases, default is the first Connection element in _settings.lgx.
|(Required) A physical, file system path and filename.
|The ID attribute is a pervasive attribute that uniquely identifies an element within a definition file. The ID needs to be a unique value within the definition.
|The maximum number of rows to retrieve from the data source.