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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
Fetch and insert with host variables
Convert between VARCHAR and character data typesHCL OneDB™ ESQL/C can automatically convert VARCHAR values between database columns and host variables of character type char, string, or fixchar.

Convert between VARCHAR and character data types

HCL OneDB™ ESQL/C can automatically convert VARCHAR values between database columns and host variables of character type char, string, or fixchar.