I have some case about 8.89291 value in SQL database.
In this case if I'm running:
select cast(ROUND(8.89291,0) as float)
The output is : 9
What I'm actually looking for is
The output is : 8.9
How can I get this value?
Will you guys please help me?
Your precision is 0 so its giving the whole value.
select cast(round(8.89291, 1) as float)
If you are open to casting, then you don't also need to call ROUND. Consider casting to NUMERIC(10,1):
SELECT CAST(8.89291 AS NUMERIC(10,1));
Demo
(demo for SQL Server, but the above would run on many other databases as well)
You had selected 0 that mean float function will treat as Integer ,for the float you have to put 1 instead of 0 ,please check below one.
select cast(ROUND(8.89291,1) as float)
You can use
SELECT CAST(ROUND(8.89291,2) AS NUMERIC(12,1))
or
SELECT CAST(8.89291 AS NUMERIC(12,1))
Related
In Microsoft SQL Server 2005, why do the following commands produce integer results?
SELECT cast(151/6 AS DECIMAL(9,2))
SELECT 151/6
In the first you are getting the result of two integers and then casting the result as DECIMAL(9,2). In the second you're just dividing two integers and that's expected.
If you cast one of the integers as a decimal BEFORE you do the division, you'll get a decimal result.
SELECT 151/CAST(6 AS DECIMAL (9,2))
Yes that is standard behavior
do
SELECT 151/6.0
or
SELECT 151/(CONVERT(DECIMAL(9,2),6))
or
SELECT 151/(6 * 1.0)
Because 151 and 6 are integers and you are doing integer division, even before the cast.
You need to make sure at least one of the arguments is a float type:
SELECT 151.0/6
Or
SELECT 151/6.0
Not a direct answer to your question. Still worth to take a look at Operators in Expressions if you need this in SSRS
/ Divides two numbers and returns a floating-point result.
\ Divides two numbers and returns an integer result.
Mod Returns the integer remainder of a division.
You need to give a placeholder for decimal places as well
Example
SELECT 151.000000/6
OR
SELECT 151/6.000000
Both will produce
25.16666666
For the same reason they would in C#, Java and other mainstream languages.
In integer arithmetic, the CAST is after the maths...
The CAST statement is a bit verbose. You can use the following instead:
DECLARE #TO_FLOAT FLOAT = 1.0;
SELECT (1 * #TO_FLOAT) / 2;
Or use a different multiplier type like DECIMAL if you prefer.
Try this:
SELECT 1.0*cast(151/6 AS DECIMAL(9,2))
SELECT 1.0*151/6
I'm trying to figure out a way, using SQL, to query for values that go out to, say, 5 or more decimal places. In other words, I want to see only results that have 5+ decimal places (e.g. 45.324754) - the numbers before the decimal are irrelevant, however, I still need to see the full number. Is this possible? Any help if appreciated.
Assuming your DBMS supports FLOOR and your datatype conversion model supports this multiplication, you can do this:
SELECT *
FROM Table
WHERE FLOOR(Num*100000)!=Num*100000
This has the advantage of not requiring a conversion to a string datatype.
On SQL Server, you can specify:
SELECT *
FROM Table
WHERE Value <> ROUND(Value,4,1);
For an ANSI method, you can use:
SELECT *
FROM Table
WHERE Value <> CAST(Value*100000.0 AS INT) / 100000.0;
Although this method might cause an overflow if you're working with large numbers.
I imagine most DBMSs have a round function
SELECT *
FROM YourTable
WHERE YourCol <> ROUND(YourCol,4)
This worked for me in SQL Server:
SELECT *
FROM YourTable
WHERE YourValue LIKE '%._____%';
select val
from tablename
where length(substr(val,instr(val, '.')+1)) > 5
This is a way to do it in oracle using substr and instr
You can use below decode statement to identify maximum decimal present in database table
SELECT max(decode(INSTR(val,'.'), 0, 0, LENGTH(SUBSTR(val,INSTR(val,'.')+1)))) max_decimal
FROM tablename A;
Here is the query i am running
Select (100/18)*18
The answer i get is 90. I have tried declaring each of the numbers as decimals also, and i get the value 100.0008, but when i calculate with variables as floats the answer is correct at '100' so does anyone have any idea why SQL calculates like this?
Because it will first evelute the paranthesis
So
Select (100/18)*18
will (100/18) = 5.555555 but it assume both number as int so it will cast the result as int so it will return 5
so now 5*18 = 90
If you want the correct result do this instead Select (100*18)/18
to get the desired result you should try something like this:
Select CEILING((100/18.0)*18)
when you do this,
Select (100/18)*18
sql server consider operation as integer division and take select 100/18 as 5 instaed of 5.55555....
Try to express the numders ac decimal numbers
SELECT (100.0/18)*18
and
SELECT ROUND((100.0/18)*18,2)
...
you can try this
select abs(18*100/18)
I have the following piece of code that always results in 0.00. I know for sure that the weight_score is an actual number. Can someone help me format it so that it results in a decimal number. Using SQL server 2008 and this code is in a view. Thanks a lot!
CAST(SUM(weight_score * (45/100)) as decimal(10,2)) As avg_score
45/100 is implicitly treated as an INT divided by another INT, which results in an INT that gets rounded to 0. Add a decimal to each to work around that.
CAST(SUM(weight_score * (45.0/100.0)) as decimal(10,2)) As avg_score
45/100 is treated as INT.So change it to 45.0/100.0.
select CAST(SUM(weight_score * (45.0/100.0)) as decimal(10,2)) As avg_score
Even if you write the following code you will get 0
select (45/100)
If you want to avoid the error, you can use the NULLIF function.
In Microsoft SQL Server 2005, why do the following commands produce integer results?
SELECT cast(151/6 AS DECIMAL(9,2))
SELECT 151/6
In the first you are getting the result of two integers and then casting the result as DECIMAL(9,2). In the second you're just dividing two integers and that's expected.
If you cast one of the integers as a decimal BEFORE you do the division, you'll get a decimal result.
SELECT 151/CAST(6 AS DECIMAL (9,2))
Yes that is standard behavior
do
SELECT 151/6.0
or
SELECT 151/(CONVERT(DECIMAL(9,2),6))
or
SELECT 151/(6 * 1.0)
Because 151 and 6 are integers and you are doing integer division, even before the cast.
You need to make sure at least one of the arguments is a float type:
SELECT 151.0/6
Or
SELECT 151/6.0
Not a direct answer to your question. Still worth to take a look at Operators in Expressions if you need this in SSRS
/ Divides two numbers and returns a floating-point result.
\ Divides two numbers and returns an integer result.
Mod Returns the integer remainder of a division.
You need to give a placeholder for decimal places as well
Example
SELECT 151.000000/6
OR
SELECT 151/6.000000
Both will produce
25.16666666
For the same reason they would in C#, Java and other mainstream languages.
In integer arithmetic, the CAST is after the maths...
The CAST statement is a bit verbose. You can use the following instead:
DECLARE #TO_FLOAT FLOAT = 1.0;
SELECT (1 * #TO_FLOAT) / 2;
Or use a different multiplier type like DECIMAL if you prefer.
Try this:
SELECT 1.0*cast(151/6 AS DECIMAL(9,2))
SELECT 1.0*151/6