Data Persistent Layer is primarily consists of Enterprise Data - Master, Transaction and Meta. It may also include Datamart and Data driven reporting infrastructure.
In most of the large enterprises Data Persistent Layer consists of relational (RDBMS), hierarchical (LDAP, IMS), unstructured ( Emails, chat sessions, file systems, etc) and any other type. This variation in data characteristics warrant unique data handling and treatment technologies.
Tuesday, May 20, 2008
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