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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
HCL OneDB™ librariesThese topics describe how to link the static, shared, and thread-safe HCL OneDB™ general libraries with your application.
Create thread-safe ESQL/C applications
Link thread-safe librariesThe esql command links the thread-safe versions of the static or shared HCL OneDB™ general libraries when you specify the -thread command-line option.
Link shared or static versions

Link shared or static versions

To tell the esql command to link the thread-safe versions of the HCL OneDB™ libraries into your application, use the -thread command-line option of esql, as follows:

Thread-safe shared libraries require the -thread command-line option only.
Thread-safe static libraries require the -thread and -static command-line options.