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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.
What is HCL OneDB™ ESQL/C?
Character and string data typesThese topics explain how to use character data types in the HCL® OneDB® ESQL/C program.
Fetch and insert character data types
Fetch and insert lvarchar dataWhen an application uses a lvarchar host variable to fetch or insert a data value, must ensure that the value fits into the host variable or database column.

Fetch and insert lvarchar data

When an application uses a lvarchar host variable to fetch or insert a data value, must ensure that the value fits into the host variable or database column.