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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
Working with the database serverThese topics explain how the HCL® OneDB® ESQL/C program can interact with a database server.
Interact with the database server
Check the status of the database server

Check the status of the database server

Some interactions with the database server cannot execute unless the database server is idle. Other actions assume that the database server is busy processing a request. You can check whether the database server is currently processing an SQL request with the sqldone() function. This function returns 0 if the database server is idle and a negative value if it is busy.