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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 topics explain how to use HCL OneDB™ ESQL/C, the HCL OneDB™ implementation of Embedded Structured Query Language (SQL) for C (ESQL/C), to create client applications with database-management capabilities. The HCL® OneDB® ESQL/C Programmer's Manual explains how to use HCL OneDB™ ESQL/C, the HCL OneDB™ implementation of Embedded Structured Query Language (SQL) for C (ESQL/C), to create client applications with database-management capabilities.
What is HCL OneDB™ ESQL/C?
HCL OneDB™ ESQL/C data typesThese topics contain information about the correspondence between SQL and C data types and how to handle data types in the HCL OneDB™ ESQL/C program.
Data conversion
Perform arithmetic operationsWhen HCL OneDB™ ESQL/C performs an arithmetic operation on two values, it might need to convert data types if the two values do not have data types that match.

Perform arithmetic operations

When HCL OneDB™ ESQL/C performs an arithmetic operation on two values, it might need to convert data types if the two values do not have data types that match.

This section provides the following information about data conversion for arithmetic operations:

How HCL OneDB ESQL/C converts numeric values
How HCL OneDB ESQL/C handles operations that involve floating-point values