Catalog Source Configuration > IBM Netezza > Introduction to IBM Netezza catalog sources

Introduction to IBM Netezza catalog sources

You can use Metadata Command Center to extract metadata from a source system.

A source system is any system that contains data or metadata. For example, IBM Netezza is a source system from which you can extract metadata through an IBM Netezza catalog source with Metadata Command Center. A catalog source is an object that represents and contains metadata from the source system.

Before you extract metadata from a source system, you first create and register a catalog source that represents the source system. Then you configure capabilities for the catalog source. A capability is a task that Metadata Command Center can perform, such as metadata extraction, lineage discovery, data profiling, data classification, or glossary association.

When Metadata Command Center extracts metadata, Data Governance and Catalog displays the extracted metadata and its attributes as technical assets. You can then perform tasks such as analyzing the assets, viewing lineage, and creating links between those assets and their business context.

The following table describes the capabilities of the catalog source:

Capability	Description
Advanced Programming Language Parsing	Advanced Programming Language Parsing parses the source system code in addition to extracting objects from the source system.
Lineage Discovery	Builds the complete lineage of a catalog source by recommending endpoint catalog source objects to assign to reference catalog source connections. When you run the catalog source job, Metadata Command Center assigns the reference catalog source connections to CLAIRE recommended endpoint catalog source objects. You can then view the list of CLAIRE recommendations and accept or reject them.
Data Profiling and Quality	- Data Profiling. Assesses source metadata and analyzes the collected statistics to discover content and structure, such as value distribution, patterns, and data types. - Data Quality. Measures the reliability of the data and enables data usage.
Data Classification	Data classification is the process of identifying and organizing data into relevant categories based on the functional meaning of the data. Classifying data can help your organization manage risks, compliance, and data security.
Relationship Discovery	The relationship discovery capability identifies pairs of similar columns and relationships between tables within a catalog source.
Glossary Association	You can associate terms that are in the glossary with technical assets to provide user-friendly business names to technical assets. Glossary Association automatically associates glossary terms with technical assets or recommends glossary terms that you can manually associate with technical assets in Data Governance and Catalog.

Extraction and view process

To extract metadata from a source system, configure the catalog source and run the extraction job in Metadata Command Center. Then view the results in Data Governance and Catalog.

The following image shows the process to extract metadata from an IBM Netezza source system:

The image shows the process of metadata extraction from an IBM Netezza source system that begins with prerequisites verification, continues with the creation of the catalog source, and ends with viewing the results and lineage.

After you verify prerequisites, perform the following tasks to extract metadata from IBM Netezza:

1Register a catalog source. Create a catalog source object, select IBM Netezza, and select the connection.
2Configure the catalog source. Specify the runtime environment and configure parameters for metadata extraction. Optionally, add filters to include or exclude source system assets from metadata extraction. You can also configure other capabilities such as data profiling and quality, data classification, or glossary association.
3Optionally, associate stakeholders. Associate users with technical assets, giving the users permission to perform actions determined by their roles.
4Run or schedule the catalog source job.
5Optionally, if the catalog source job generates referenced asset objects, you can assign a connection to referenced source system assets.

You can view the lineage with object references without performing connection assignment. After connection assignment, you can view the objects.

After you run the catalog source job, you view the results in Data Governance and Catalog.

About the IBM Netezza catalog source

You can use the IBM Netezza catalog source to extract metadata from an IBM Netezza source system.

IBM Netezza is a data warehouse system that integrates the database, server, and storage to run and manage complex data warehouse tasks. You can create and configure an IBM Netezza catalog source to extract metadata from an IBM Netezza database.

Extracted metadata

You can use the IBM Netezza catalog source to extract metadata from an IBM Netezza database.

Metadata Command Center extracts the following metadata from an IBM Netezza source system:

•Database
•Data Type
•Foreign Key
•Materialized View
•Primary Key
•Schema
•Table
•Unique Key Constraint
•View
•Stored Procedure

Data profiling for IBM Netezza objects

Configure data profiling to run profiles on the metadata extracted from an IBM Netezza source system. You can view the profiling statistics in Data Governance and Catalog.

You can run data profiles on the following objects:

•Table
•View

For information about the data types on which data profiling tasks run, see Netezza Connector in Data Integration Connectors.

Compatible connectors

Before you configure an IBM Netezza catalog source, you must connect to the IBM Netezza source system.

Use the Netezza connector to connect to the IBM Netezza source system.

For information about configuring a connection, see Connections.