SQL is the industry standard language for accessing and updating database data and ESQL is a language derived from SQL Version 3, particularly suited to manipulating both database and message data.
This section covers the following topics:
An XML format message that is used in many of the ESQL examples in these topics is shown in Example message.
For information about how you can use ESQL statements and functions to configure Compute, Database, and Filter nodes, see Writing ESQL.