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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.
A sample thread-safe program
Output

Output

The sample output might appear different each time the sample program executes because it depends on the execution order of the threads.

Thread id 0 fetched value 1 from t1
Thread id 2 fetched value 2 from t1
Thread id 3 fetched value 3 from t1
Thread id 4 fetched value 4 from t1
Thread id 5 fetched value 5 from t1
Thread id 1 fetched value 6 from t1

In this output, Thread 1 fetches the last record in the table.

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