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## What is square function in SQL?

The SQUARE() function **returns the square of a number**.

## How do you do square root in SQL?

**SQRT() Function in SQL Server**

- Features :
- Syntax : SQRT(number)
- Parameter : This method accepts a parameter as given below :
- Returns : It returns the square root of a specified positive number.
- Example-1 : Getting the square root of the specified number 4. …
- Output : 2.0.
- Example-2 : …
- Output : 0.0.

## How do you square a number in MySQL?

**MySQL: SQRT Function**

- Description. The MySQL SQRT function returns the square root of a number.
- Syntax. The syntax for the SQRT function in MySQL is: SQRT( number ) …
- Note. The SQRT function will return NULL, if the number is a negative value.
- Applies To. …
- Example.

## What is number function in SQL?

Numeric Functions are used to perform operations on numbers and return numbers. Following are the numeric functions defined in SQL: **ABS(): It returns the absolute value of a number**. … CEIL(): It returns the smallest integer value that is greater than or equal to a number.

## What is the return type of SQRT fun in SQL?

Returns the square root of **a floating point number**; only the built-in types REAL, FLOAT, and DOUBLE PRECISION are supported. The return type for SQRT is the type of the parameter. Note: To execute SQRT on other data types, you must cast them to floating point types.

## What is SQL power?

POWER() function :

This function in SQL Server is **used to return a results after raising a specified exponent number to a specified base number**. For example if the base is 5 and exponent is 2, this will return a result of 25.

## How we can use power () in MySQL?

POWER() function in MySQL is used **to find the value of a number raised to the power of another number**. It Returns the value of X raised to the power of Y. Parameter : This method accepts two parameter which are described below : X : It specifies the base number.

## What is MySQL root?

What is the Root Account? … It’s **a superuser account that has god-like privileges in all the MySQL databases**. The initial root account password is empty by default, so anyone can connect to the MySQL server as root without a password and be granted all privileges!

## What is a CUBE in SQL?

An OLAP cube is **a data structure that overcomes the limitations of relational databases by providing rapid analysis of data**. Cubes can display and sum large amounts of data while also providing users with searchable access to any data points. … These cubes are stored in SQL Server Analysis Services (SSAS).

## How do you create a CUBE in SQL?

To create a new cube

In Solution Explorer, **right-click Cubes, and then click New Cube**. On the Select Creation Method page of the Cube Wizard, select Use existing tables, and then click Next. You might occasionally have to create a cube without using existing tables.