# How do I count decimal places in SQL?

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## How do I count the number of decimal places in SQL?

You cannot reliably find the number of decimal places a number in a database has, because it is approximated to round it to store in a limited amount of storage. The difference between the real value, or even the exact binary value in the database will be rounded to represent it in decimal.

## How do I get decimal part in SQL Server?

That’s the fractional part. To make into an integer, scale it. X – TRUNC(X), works for negatives too. It would give you the decimal part of the number, as a double, not an integer.

## How do I get only 2 decimal places in SQL?

Replace your query with the following. Select Convert(Numeric(38, 2), Minutes/60.0) from …. MySQL: Select Convert(Minutes/60.0, Decimal(65, 2)) from ….

## How do I reduce decimal places in SQL?

The SQL AVG() function returns the average value with default decimal places. The CAST() is used to increase or decrease the decimal places of a value. The CAST() function is much better at preserving the decimal places when converting decimal and numeric data types.

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## How do I remove decimal places in SQL?

Overview of SQL TRUNCATE() function

The TRUNCATE() function returns n truncated to d decimal places. If you skip d , then n is truncated to 0 decimal places. If d is a negative number, the function truncates the number n to d digits left to the decimal point. The TRUNCATE() function is supported by MySQL.

## What is Floor in SQL?

The SQL FLOOR() function rounded up any positive or negative decimal value down to the next least integer value. SQL DISTINCT along with the SQL FLOOR() function is used to retrieve only unique value after rounded down to the next least integer value depending on the column specified. Syntax: FLOOR(expression)

## How do I get only the numbers before the decimal in SQL?

Use TRUNC(158.96) to get the digits before decimal point.

## How do I find SQL mods?

The SQL DISTINCT command along with the SQL MOD() function is used to retrieve only unique records depending on the specified column or expression.

1. Syntax: MOD( dividend, divider )
2. PostgreSQL and Oracle. …
3. MySQL Syntax: MOD(dividend,divider); dividend % divider; dividend MOD divider;
4. Parameters: …
5. Example:

## What does 3 decimal places mean?

Rounding numbers up or down is a way of approximating them to make them more manageable. … When you round to the third decimal place, you’re rounding to the nearest thousandth.

## What are 2 decimal places?

If we want to round 4.732 to 2 decimal places, it will either round to 4.73 or 4.74. 4.732 rounded to 2 decimal places would be 4.73 (because it is the nearest number to 2 decimal places). 4.737 rounded to 2 decimal places would be 4.74 (because it would be closer to 4.74).

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## Do zeros count as decimal places?

If a zero is behind a decimal and is trailing a non-zero, then it is significant. E.g. 5.00 – 3 significant figures. If a zero is leading a number, before or after the decimal, it is not significant. … If a zero is trailing a non-zero digit, but it is not behind a decimal, it is not significant.

## How do I round up a SQL query?

SELECT ROUND(@value, 2); SELECT ROUND(@value, 3); In this example, we can see that with decimal values round up to the nearest value as per the length.

## How do you subtract in SQL?

Arithmetic operators can perform arithmetical operations on numeric operands involved. Arithmetic operators are addition(+), subtraction(-), multiplication(*) and division(/).

Arithmetic Operators.

Operator Meaning Operates on
– (Subtract) Subtraction Numeric value
* (Multiply) Multiplication Numeric value
/ (Divide) Division Numeric value

## What is the data type for decimal in SQL?

SQL General Data Types

Data type Description
BIGINT Integer numerical (no decimal). Precision 19
DECIMAL(p,s) Exact numerical, precision p, scale s. Example: decimal(5,2) is a number that has 3 digits before the decimal and 2 digits after the decimal
NUMERIC(p,s) Exact numerical, precision p, scale s. (Same as DECIMAL)