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## What happens in SQL if you divide an integer and it has a remainder?

Divides two numbers and returns an integer result. **Mod** Returns the integer remainder of a division.

## Does SQL do integer division?

Since they are integers, SQL wants to return an integer result to match the number type. In PostgreSQL and SQL Server, **it is integer division**. In MySQL and Oracle it is regular division (and the result of 1/4 is 0.25 ).

## How do I stop SQL Server rounding off?

**Avoid rounding off decimal data, when using SUM function**

- declare @tab table (column1 float)
- insert @tab values (2082124.75499995), (0.00000001)
- select * from @tab.
- select sum(column1) from @tab — shows 2082124,75499996.

## How does SQL Server calculate division?

Divide**(/)**, Modulo(%) Operator. Multiply Operator (*)

…

Arithmetic Operators.

Operator | Meaning | Operates on |
---|---|---|

* (Multiply) | Multiplication | Numeric value |

/ (Divide) | Division | Numeric value |

% (Modulo) | Returns the integer remainder of a division. For example, 17 % 5 = 2 because the remainder of 17 divided by 5 is 2. | Numeric value |

## Can you do division in SQL?

The division operator in SQL is used to divide one expression or number by another. … The division operator **can be used anywhere there is an expression**. This means you can use the SQL division operator with: SELECT .

## What is relational division in SQL?

Relational division is used in **SQL to select rows that conform to a number of different criteria**. It is a neglected but effective technique for a number of tasks. Although the SQL can appear daunting and complex, it can perform very well if you reduce the rows as much as possible before applying the final logic.

## What is Floor in SQL?

In SQL Server (Transact-SQL), the FLOOR function **returns the largest integer value that is equal to or less than a number**.

## What is NVL in SQL?

NVL **lets you replace null (returned as a blank) with a string** in the results of a query. If expr1 is null, then NVL returns expr2 .

## Can we insert and delete rows into a view?

**Yes, possible to insert**,update and delete to view. view is a virtual table. Same Perform as insert,update,delete query.. A view can be defined as a virtual table or a stored query and the data accessible through a view is not stored in the database as a distinct object.

## How do you round to the next integer in SQL?

SQL uses **the CEILING function** to perform this computation. It takes a single argument: the column whose values you’d like to round up to the nearest integer. In our example, we’d like to calculate how many square meters (rounded up to the nearest integer) there are per one bike.

## How do I round to 2 decimal places in SQL Server?

Select Convert(Numeric(38, 2), Minutes/60.0) from …. MySQL: Select Convert(Minutes/60.0, Decimal(65, 2)) from …. The Cast function is a wrapper for the Convert function.

## How do you float a division in SQL?

If we want to get float or Decimal output, Either our denominator or Numerator should be float or decimal type. If we have both denominator or numerator as Integers, we **can use convert or cast functions to convert** one of them to float/decimal so we can get our results as float/decimal.

## How do you stop a division by zero in SQL?

Method 1: **SQL NULLIF Function**

We place the following logic using NULLIF function for eliminating SQL divide by zero error: Use NULLIF function in the denominator with second argument value zero. If the value of the first argument is also, zero, this function returns a null value.