In PostgreSQL, atanh() is a hyperbolic function that returns the inverse hyperbolic tangent of its argument.
The argument and return value are provided as a double precision value.
How Acosh() Works in PostgreSQL
In PostgreSQL, acosh() is a hyperbolic function that returns the inverse hyperbolic cosine of its argument.
The argument and return value are provided as a double precision value.
How Asinh() Works in PostgreSQL
In PostgreSQL, asinh() is a hyperbolic function that returns the inverse hyperbolic sine of its argument.
The argument and return value are provided as a double precision value.
How Cosh() Works in PostgreSQL
In PostgreSQL, cosh() is a hyperbolic function that returns the hyperbolic cosine of its argument.
The argument and return value are provided as a double precision value.
How Tanh() Works in PostgreSQL
In PostgreSQL, tanh() is a hyperbolic function that returns the hyperbolic tangent of its argument.
The argument and return value are provided as a double precision value.
How Sinh() Works in PostgreSQL
In PostgreSQL, sinh() is a hyperbolic function that returns the hyperbolic sine of its argument.
The argument and return value are provided as a double precision value.
How Mod() Works in PostgreSQL
In PostgreSQL, mod() is a mathematical function that returns the remainder from division of the first argument (the dividend) by the second argument (the divisor).
How Width_Bucket() Works in PostgreSQL
In PostgreSQL, width_bucket() is a mathematical function that assigns values to buckets (individual segments) in an equiwidth histogram.
The return type is int.
How the timezone() Function Works in PostgreSQL
In PostgreSQL, you can use the timezone() function to convert a timestamp to another timezone.
How to_timestamp() Works in PostgreSQL
According to the PostgreSQL documentation, there are two functions called to_timestamp():
- One converts the Unix epoch to a timestamp. The Unix epoch is the number of seconds since 1970-01-01 00:00:00+00.
- The other converts a string to a timestamp.
More specifically, each function converts the value to a timestamp with time zone value.
Although the Postgres documentation presents them as two separate to_timestamp() functions, I present them as if they’re one function that accepts either one argument, or two.