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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?
Time data typesThese topics explain how to use date, datetime, and interval data types in the HCL® OneDB® ESQL/C program.
The SQL DATE data type

The SQL DATE data type

supports the SQL DATE data type with the date data type for host variables. The date data type stores internal DATE values. It is implemented as a 4-byte integer whose value is the number of days since December 31, 1899. Dates before December 31, 1899, are negative numbers, while dates after December 31, 1899, are positive numbers. For a complete description of the SQL DATE data type, see the HCL OneDB™ Guide to SQL: Reference.

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