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Client APIs and toolsYou can use the HCL OneDB™ implementation of client APIs to develop applications for HCL OneDB™ database servers.
ESQL/C GuideThe HCL OneDB™ ESQL/C Programmer's Manual explains how to use , the HCL OneDB™ implementation of Embedded Structured Query Language (SQL) for C (ESQL/C), to create client applications with database-management capabilities.
Database server communication
Exception handling
Obtain diagnostic information after an SQL statement
Types of diagnostic information

Types of diagnostic information

The database server can return the following types of diagnostic information:

Database exceptions are conditions that the database server returns to describe how successful the execution of the SQL statement was.
Descriptive information, such as the DESCRIBE and GET DIAGNOSTICS statements can provide about certain SQL statements.