SurrealDB | Documentation

These functions can be used when generating random data values.

Function	Description
`rand()`	Generates and returns a random floating point number
`rand::bool()`	Generates and returns a random boolean
`rand::enum()`	Randomly picks a value from the specified values
`rand::float()`	Generates and returns a random floating point number
`rand::guid()`	Generates and returns a random guid
`rand::int()`	Generates and returns a random integer
`rand::string()`	Generates and returns a random string
`rand::time()`	Generates and returns a random datetime
`rand::uuid()`	Generates and returns a random UUID

The rand function generates a random float, between 0 and 1.

rand() -> number

The following example shows this function, and its output, when used in a select statement:

SELECT * FROM rand();

0.7062321084863658

The following example shows this function being used in a SELECT statement with an ORDER BY clause:

SELECT * FROM [{ age: 33 }, { age: 45 }, { age: 39 }] ORDER BY rand();

[
	{
		age: 45
	},
	{
		age: 39
	},
	{
		age: 33
	}
]

The rand::bool function generates a random boolean value.

rand::bool() -> boolean

The following example shows this function, and its output, when used in a select statement:

SELECT * FROM rand::bool();

true

The rand::enum function generates a random value, from a multitude of values.

rand::enum(value...) -> boolean

The following example shows this function, and its output, when used in a select statement:

SELECT * FROM rand::enum('one', 'two', 3, 4.15385, 'five', true);

"five"

The rand::float function generates a random float, between 0 and 1.

rand::float() -> float

If two numbers are provided, then the function generates a random float, between two numbers.

rand::float(number, number) -> float

The following examples show this function, and its output, when used in a select statement:

SELECT * FROM rand::float();

0.7812733136200293

SELECT * FROM rand::float(10, 15);

11.305355983514927

The rand::guid function generates a 20-character random guid.

rand::guid() -> string

If a number is provided, then the function generates a random guid, with a specific length.

rand::guid(number) -> string

The following examples show this function, and its output, when used in a select statement:

SELECT * FROM rand::guid();

"4uqmrmtjhtjeg77et0dl"

SELECT * FROM rand::guid(10);

"f3b6cjh0nt"

The rand::int function generates a random int.

rand::int() -> int

If two numbers are provided, then the function generates a random int, between two numbers.

rand::int(number, number) -> int

The following examples show this function, and its output, when used in a select statement:

SELECT * FROM rand::int();

6841551695902514727

SELECT * FROM rand::int(10, 15);

The rand::string function generates a random string, with 32 characters.

rand::string() -> string

The rand::string function generates a random string, with a specific length.

rand::string(number) -> string

If two numbers are provided, then the function generates a random string, with a length between two numbers.

rand::string(number, number) -> string

The following examples show this function, and its output, when used in a select statement:

SELECT * FROM rand::string();

"N8Q86mklN6U7kv0A2XCRh5UlpQMSvdoT"

SELECT * FROM rand::string(15);

"aSCtrfJj4pSJ7Xq"

SELECT * FROM rand::string(10, 15);

"rEUWFUMcx0YH"

The rand::time function generates a random datetime.

rand::time() -> datetime

The rand::time function generates a random datetime, between two unix timestamps.

rand::time(number, number) -> datetime

The following examples show this function, and its output, when used in a select statement:

SELECT * FROM rand::time();

"2026-09-07T04:27:53Z"

SELECT * FROM rand::time(198371, 1223138713);

"1991-01-13T23:27:17Z"

The rand::uuid function generates a random UUID.

rand::uuid() -> uuid

The following example shows this function, and its output, when used in a select statement:

SELECT * FROM rand::uuid();

"e20b2836-e689-4643-998d-b17a16800323"

Rand functions