Rounding off to two decimal places in SQL (18 answers) Formatting an SQL numeric query result with an arbitrary number of decimal places (6 answers) Closed 9 years ago. I have a small question to ask. How to round a numeric field upto 2 decimal places, and also show it with 2 dec...
For the above tables, your SQL query should return the following rows with the cancellation rate being rounded totwodecimal places. 三、参考SQL 方法一:子查询筛选出有效订单记录 SELECTRequest_atAS'Day',round(count(CASEt_StatusWHEN'completed'THENNULLELSE1END)/count(*),2)AS'Cancellation Rate'FROM(...
The function ROUND() can leave trailing zero and won't help us unless used in conjunction with CONVERT 3/5 will never equal 0.66 so I have added 2/3 to the examples. NB to force floating pointdecimal division we just need to add a decimal point to one of the numbers. (no need of ...
在PostgreSQL 中,ROUND 函数用于将一个数值四舍五入到指定的小数位数。其语法如下: ROUND(numeric_expression, decimal_places) 复制代码 其中,numeric_expression 是要四舍五入的数值,decimal_places 是要保留的小数位数。如果 decimal_places 是正数,则将数值四舍五入到指定的小数位数;如果 decimal_places 是负数,...
7.Two ways to be big: A country isbigif it has an area of more than 3 million sq km or it has a population of more than 250 million. Show the countries that are big by area or big by population. Show name, population and area. ...
Use the ROUND function to show the values to two decimal places.For South America show population in millions and GDP in billions both to 2 decimal places.select name,round(population/1000000,2) as population,round(gdp/1000000000,2) as gdp from worldwhere continent='South America'10、 Show ...
ROUND(price_net * 1.24, 2) as price_gross FROM product; This query returns the gross price rounded to two decimal places: idprice_gross 1 2.90 2 1.51 3 0.47 Discussion: If you’d like to round a floating-point number to a specific number of decimal places in SQL, use the ROUND() ...
检查ROUND 函数用法: SELECTROUND(column_name,decimal_places)FROMtable_name; 1. 若无效,尝试使用 CAST 或 CONVERT 修改数据类型: SELECTROUND(CAST(column_nameASFLOAT),decimal_places)FROMtable_name; 1. 配置详解 需要配置和调整的参数包括: DECIMAL、FLOAT...
If Decimal Place is left blank, the value will be rounded to the nearest integer. For example, round(3.1415926) and round(3.1415926,0) return the same result. Example one: select round(3.1415926) Result: 3 Example two: select round(3.1415926,2) Result: 3.14 You are advised to use the ...
However, SQL Server adds a twist to this format—it has an optional third parameter called function: ROUND(number, decimal_places [, function]) Powered By Here: The first two parameters, input and decimals, work just like in the other databases. The optional function parameter specifies th...