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Extending HCL OneDB™Beyond standard relational database objects, HCL OneDB™ can be extended to handle specialized data types, access methods, routines, and other objects. HCL OneDB™ includes many built-in extensions that are fully integrated in the database server. HCL OneDB™ also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for HCL OneDB™.
HCL OneDB™ extensions and DataBlade® modulesThese topics describe how to use built-in database extensions and separately installed DataBlade® modules.
TimeSeries Data User's GuideThe HCL OneDB™ TimeSeries Data User's Guide contains information to assist you in using the TimeSeries extension with HCL OneDB™.
Time series SQL routines
Logn functionThe Logn function returns the natural logarithm of a time series.

Logn function

The Logn function returns the natural logarithm of a time series.

The Logn function is one of the unary arithmetic functions that work on time series. The others are Abs, Acos, Asin, Atan, Cos, Exp, Negate, Positive, Round, Sin, Sqrt, and Tan.