filters, constraints, and the transformations in odi

Hello
When I want to add a condition I can do
(1) adding constraints and references with this data store or
(2) creation of filters in the diagram
So, what is the difference between these two?

(b) how business rules and integrity constraints are different transformations in odi?
PDF, said business rules and integrity constraints can be checked at the level of data extraction and
transformations can be done by loading data to target using the features of target database

Jin
one)
wrong explain this with an example.

If I create a filter to tell the age > 18

Then all the records that have the age< 18="" will="" not="" be="" processed="" at="" all.="" in="" other="" words="" this="" data="" does="" not="" even="" enter="" the="" flow.="" its="" like="" stopping="" it="" at="" the="" entrance.="" mostly="" used="" when="" we="" do="" not="" want="" some="" data="" to="" be="" processed="" at="" all.="" say="" for="" this="" example,="" a="" person="" less="" than="" 18="" cannot="" be="" married.="" so="" we="" dont="" need="" to="">

But if you define a constraint saying age > 18 on target then all records with the age below 18 are moved to the error table. In contrast to the filter, all the data are processed. During the flow, constraints are checked and we have options(Flow/static) to either move the records to the table of errors only. or (table errors as long as target table)

Filters are generally defined on source.
Constraints are usually defined on the target.

(B)
Another example.
The rules are certain conditions that you can set using "forced" feature in ODI. Here, we can apply this business rule to catch false documents.
Ex: age > 18.

Whereas a transformation (made in the mapping) is something like this

If your source stores the name of the Middle first, 3 columns, family name
But in the target you want to that they all in a single column. So can you put a strain? (No right? to the max you can put a strain that name can't have digital)
This is achieved by mapping or transformation
(first | | middle | | family name)

Hope its clear.

Tags: Business Intelligence

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