QUEL Reference Guide > QUEL Reference Guide > Introduction
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Introduction
 
In This Guide
Audience
Conventions
In This Guide
The QUEL Reference Guide provides detailed descriptions of all QUEL statements and provides examples of the correct use of QUEL statements and features.
This guide identifies QUEL as the Ingres proprietary query language and introduces features of QUEL's interactive and embedded releases. It describes QUEL data types and QUEL statements. The guide also discusses:
• Statement syntax
• Program structure
• Host language variables
• Cursors, transaction processing
• Program status information
• Error handling
• Retrieve statement
• Repeat queries
Last modified date: 01/30/2023