Common data access tasks

You can use EGL to perform common data processing tasks such as reading and writing to files, without having to deal with implementation details.
The goal of information processing is to transform data (raw facts and figures) into information (data that means something and increases knowledge). Processing typically includes the following tasks:
Retrieval
EGL uses the get statement (and its variants) to read data from files, databases, and message queues. For more details, see Reading and writing records.
Processing
What you do with the data you receive, whether retrieved from storage or input through a user interface (UI), depends on your business processes. For example, you might receive orders from a website, generate picking tickets for your warehouse, and make adjustments to inventory and customer balances.
Storage
EGL uses the add and replace statements to modify existing data in storage. For more details, see Reading and writing records.
Reporting and analysis
EGL can create reports that include everything from checks and invoices to general ledgers and web statistics. EGL offers several reporting options, including the BIRT engine. For more details, see Creating reports with EGL.

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