QlikView Reference Manual.pdf - QlikCommunity - QlikView

Loosely Coupled Tables
Any table can be made loosely coupled interactively from this dialog or via macros. Additionally, it is possible
to declare loosely coupled tables explicitly in the script via the Loosen Table (page 253) statement.
The normal QlikView associative logic is disconnected internally for loosely coupled tables. This means that
selections in one field do not propagate through to the other fields in the table. This may be very useful in a
number of situations, typically when it is needed to avoid circular references in the data structure. For more
examples of how this feature can be used, please refer to the section Loosely Coupled Tables (page 118).
Note!
Making one or more tables loosely coupled can radically change the behavior of the document. Use this feature
only when you are absolutely sure about what you are doing!
This dialog page consists of two lists, the Tables list and the Fields list.
Either table can be sorted on any column, by clicking its column header.
The Tables list contains the following information:
Name The name of the internal table.
Loosely Coupled If the alternative is checked, the table is loosely coupled. It is possible to deliberately
set this alternative for a table here.
# Records The number of records (rows) of the table.
# Fields The number of fields (columns) of the table.
# Keys The number of key (connecting) fields (columns) of the table.
Comment Displays the comments read from the data source and the Comment Field
(page 226) made on the field.
The Fields list at the bottom of the page shows all fields of the QlikView document or, if one internal table
has been selected in the list above, the fields of that table. The columns are as follows:
# The internal number of the field. Numbers 0 to 5 are used by the QlikView system
fields, which are not displayed in this list.
Name The name of the field.
Dimensions Mark the check box to the right of the field name to add the system tag $dimension
to the field. This tag denotes a field recommended for use in chart dimensions,
list boxes etc. A field tagged with dimension will be displayed at the
top of all field selection controls in QlikView except in the Edit Expression
dialog.
Measures Mark the check box to the right of the field name to add the system tag $measure
to the field.. This tag denotes a field recommended for use in expressions.
A field tagged with measure will be displayed at the top of all field selection
controls in the Edit Expression dialog.
Tags Displays the Field Tags (page 169). $ denotes a system tag.
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