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Tag: what is

How Log() Works in PostgreSQL

Posted on June 20, 2020June 20, 2020 by Ian

In PostgreSQL, log() is a mathematical function that returns the base 10 logarithm of its argument.

However, it also allows you to optionally specify a base with which to use.

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PostgreSQL functions, mathematical functions, what is

How the Ln() Function Works in PostgreSQL

Posted on June 19, 2020June 19, 2020 by Ian

In PostgreSQL, ln() is a mathematical function that returns the natural logarithm of its argument.

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PostgreSQL functions, mathematical functions, what is

How the Exp() Function Works in PostgreSQL

Posted on June 19, 2020June 19, 2020 by Ian

In PostgreSQL, exp() is a mathematical function that returns the exponential value of its argument.

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PostgreSQL functions, mathematical functions, what is

How Pi() Works in PostgreSQL

Posted on June 17, 2020June 17, 2020 by Ian

In PostgreSQL, the pi() function returns the number π.

Ï€ constant is a mathematical constant. It is defined as the ratio of a circle’s circumference to its diameter.

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PostgreSQL functions, mathematical functions, what is

How the Degrees() Function Works in PostgreSQL

Posted on June 17, 2020June 17, 2020 by Ian

In PostgreSQL, the degrees() function converts from radians to degrees.

The radian is the SI (International System of Units) unit for measuring angles. One radian is just under 57.3 degrees, and a full circle has just over 6.28 radians (2Ï€).

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PostgreSQL functions, mathematical functions, what is

How the Radians() Function Works in PostgreSQL

Posted on June 17, 2020June 17, 2020 by Ian

In PostgreSQL, the radians() function converts from degrees to radians.

The radian is the SI (International System of Units) unit for measuring angles. One radian is just under 57.3 degrees, and a full circle has just over 6.28 radians (2Ï€).

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PostgreSQL functions, mathematical functions, what is

How Trunc() Works in PostgreSQL

Posted on June 17, 2020June 17, 2020 by Ian

In PostgreSQL, the trunc() function truncates a number.

More specifically, it truncates the number either toward zero, or to a specific number of decimal places.

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PostgreSQL functions, mathematical functions, what is

How Ceiling() Works in PostgreSQL

Posted on June 15, 2020June 15, 2020 by Ian

In PostgreSQL, the ceiling() function is used for rounding a number up to the nearest integer.

It’s similar to round(), except that it only rounds up. The round() function will round up or down as required.

It’s also similar to floor(), except that floor() rounds down instead of up.

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PostgreSQL functions, mathematical functions, what is

How Floor() Works in PostgreSQL

Posted on June 15, 2020June 15, 2020 by Ian

In PostgreSQL, the floor() function is used for rounding a number down to the nearest integer.

It’s basically the opposite of ceiling(), which rounds a number up.

It’s also similar to round(), except that it only rounds down. The round() function will round up or down as required.

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PostgreSQL functions, mathematical functions, what is

How Round() Works in PostgreSQL

Posted on June 15, 2020June 15, 2020 by Ian

In PostgreSQL, the round() function is used for rounding a number.

The function can work in one of two ways, depending on how you use it. You can make it round the number to the nearest integer, or to a specified number of decimal places.

This is determined by the number of arguments you pass to the function when you call it.

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PostgreSQL functions, mathematical functions, what is
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