Monday Dec 16, 2013

ODI 12c - Pivoting Data and Correlated subqueries

Here are more data transformation illustrations using the ODI 12c SDK demonstrating pivoting/unpivoting data and correlated subqueries. The SDK examples are on the shared java.net site and are in addition to the existing examples I posted on the blog entry on Mapping Ins and Outs here.

You can download these ODI_12c_Mappings_SDK Examples here unzip and inspect the groovy and the images of the mappings within. There are examples from the SQL documentation on correlated subqueries and examples previously posted for OWB here on pivot/unpivot.

The mappings I have covered include (click on hyperlink for an image of each);

  1. unpivot data from a table with YEAR,Q1_sales,Q2_sales,Q3_sales and Q4_sales columns to YEAR,QTR,SALES (UNPIVOT component).
  2. pivot data from a table with YEAR,QTR,SALES columns to YEAR,Q1_sales,Q2_sales,Q3_sales and Q4_sales columns (PIVOT component).
  3. perform a subquery to get the employees who are in a department that exists in the subquery (SUBQUERY_FILTER component).
  4. perform a subquery to get the employees who have a salary greater than the average salary for employees in their department (SUBQUERY_FILTER component).

These examples all use the mapping SDK to build data integration flows, the existing ODI interface SDK is still supported for now. You can see the mapping built from the SDK to perform unpivot of data as an illustration. There are now 14 examples of components in the download illustrating each one, they can operate on arbitrary data and have generic KMs as well as specific Oracle implementations.

Plenty more to show including some of the nitty gritty details on the physical deployment specification side to help illustrate how to build flows using the SDK and backup the javadoc. A lot of great transformation components and plenty more to explore and discover!

Friday Nov 15, 2013

ODI 12c - OWB Migration, Integration Plus Components

Today is another big day for ODI and OWB! Get your hands on the much anticipated functionality covering everything from new components added into the ODI 12c mapping designer, to the ETL design migration utility (announced here) to move designs from OWB 11.2.0.4 into ODI 12c which all complement the integration and auditing of OWB jobs from ODI which was included in 12c.

The patches for ODI and OWB are great news on many fronts, not only in being a major point in the roadmap. As well as the OWB migration this is great for the ODI the product, the new components provide a lot of great capabilities (and will help with a lot of those 'how do I do this' questions).

Included in the ODI patch you'll find a component bundle including transformation components from pivot/unpivot through subquery filtering on to table functions and the like. All great examples of the product's extensibility - a fusion of declarative design and technology specific knowledge modules in harmony. Lots of good stuff that you will hear much more of.

There are multiple patches - if you are only interested in ODI features and enhancements then all you need is the ODI patch below;

  • ODI 12.1.2.0.0 installed (ODI 12.1.2.0.0 plus patch number 17053768)

If you want the OWB migration utility then you will need the following patch to OWB as well as the ODI patch above;

  • OWB 11.2.0.4 installed (OWB 11.2.0.4 plus patch number 17547241)

If you install the ODI patch you will find some new components in the palette, the components let you express many more transformations - these were transformations which could be designed in OWB, now in ODI as well as the components we have knowledge modules to support their code generation for heterogenous environments.

The ODI 12c release included a new ODI Tool and support for monitoring OWB jobs - jobs can be initiated using the tool OdiStartOwbJob tool which is available for use from within packages, procedures, KMs or command line. The jobs can be monitored from ODI, this includes OWB mappings and process flows. The patch provides the migration utility plus components.

In subsequent postings we will deep dive into these areas. 

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