IFLINKED
Evaluates the existence of a link between two tables and executes an INCLUDE statement, depending on the result. This instruction allows you to dynamically execute scripts, depending on a condition. The syntax is:
Syntax
IFLINKED [From link][To link][Include if true][Include if false]
Parameters
From link
Defines the name of the column from which the join is initiated. The column must be defined using the full name in the following format:
[Database].[Table].[Column]
To link
Defines the name of the column to which the link is created. The column must be defined using the full name in the following format:
[Database].[Table].[Column]
Include if true
The file name of a script file. If the link exists, the instruction includes this script file in the load process.
Include if false
The file name of a script file. If the link does not exist, the instruction includes this script file in the load process.
How to use IFLINKED
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Figure 5-52  
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