In MongoDB, the $cos aggregation pipeline operator returns the cosine of a value that is measured in radians.
$cos accepts any valid expression that resolves to a number.
The $cos operator was introduced in MongoDB 4.2.
MongoDB $abs
In MongoDB, the $abs aggregation pipeline operator returns the absolute value of a number.
How to Check your psql Client Version
Here’s how to find out what version of psql you’re using.
Continue readingWhat is psql?
psql is a terminal based interface for PostgreSQL.
psql enables you to administer PostgreSQL from the command line interface (CLI) as an alternative to using a graphical user interface (GUI), such as pgAdmin, Postico, Azure Data Studio, etc.
Continue readingMongoDB $degreesToRadians
In MongoDB, the $degreesToRadians aggregation pipeline operator converts an input value measured in degrees to radians.
$degreesToRadians accepts any valid expression that resolves to a number.
The $degreesToRadians operator was introduced in MongoDB 4.2.
MongoDB $radiansToDegrees
In MongoDB, the $radiansToDegrees aggregation pipeline operator converts an input value measured in radians to degrees.
$radiansToDegrees accepts any valid expression that resolves to a number.
The $radiansToDegrees operator was introduced in MongoDB 4.2.
MongoDB $cosh
In MongoDB, the $cosh aggregation pipeline operator returns the hyperbolic cosine of a value that is measured in radians.
$cosh accepts any valid expression that resolves to a number.
The $cosh operator was introduced in MongoDB 4.2.
MongoDB $asin
In MongoDB, the $asin aggregation pipeline operator returns the arcsine (inverse sine) of a value, measured in radians.
$asin accepts any valid expression that resolves to a number between -1 and 1.
The $asin operator was introduced in MongoDB 4.2.
3 Ways to Get the Job Steps of a SQL Server Agent Job (T-SQL)
In this article, I present three options for returning the steps of a SQL Server Agent job when using T-SQL.
Continue readingMongoDB $divide
In MongoDB, the $divide aggregation pipeline operator divides one number by another and returns the result.
To use $divide, pass the numbers in an array. The $divide operator will divide the first number by the second number. In other words, the first number is the dividend, and the second number is the divisor.
The arguments can be any valid expression as long as they resolve to numbers.
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