In Oracle, the CEIL() function returns the smallest integer that is greater than or equal to its argument.
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FLOOR() Function in Oracle
In Oracle, the FLOOR() function returns the largest integer equal to or less than its argument.
LOG() Function in Oracle
In Oracle, the LOG() function returns the logarithm, base n2, of n1, where n2 is the first argument and n1 is the second.
LN() Function in Oracle
In Oracle, the LN() function returns the natural logarithm of its argument, where the argument is greater than 0.
In other words, it returns the base-e logarithm of its argument.
The number e, also known as Euler’s number, is a mathematical constant approximately equal to 2.71828.
ATAN2() Function in Oracle
In Oracle, the ATAN2() function returns the arctangent (inverse tangent) of its two arguments.
ATAN() Function in Oracle
In Oracle, the ATAN() function returns the arctangent (inverse tangent) of its argument.
In other words, it returns the value whose tangent is the argument.
BITAND() Function in Oracle
In Oracle, the BITAND() function returns a bitwise AND of its two arguments.
ASIN() Function in Oracle
In Oracle, the ASIN() function returns the arcsine (inverse sine) of its argument.
In other words, it returns the value whose sine is the argument.
MariaDB JSON_VALID() Explained
In MariaDB, JSON_VALID() is a built-in function that allows you to check whether or not a value is a valid JSON document.
You pass the value as an argument, and JSON_VALID() returns 1 if it’s a valid JSON document, and 0 if not.