mysql rounding

The simple floating-point number types in Java float and double are not capable of operation. It's not just Java, it's also a problem in many other programming languages.What will we see if we compile and run the following program?public class Test {

MySQL Rounding function round (x)The ROUND (x) function returns the integer closest to parameter x, rounding the X value.Instance:The operand is rounded using the round (x) function. The SQL statements are as follows:Mysql>select ROUND ( -2.34),

Mysql> Select Ceil (2.44), round (2.44), floor (2.44);+------------+-------------+-------------+| Ceil (2.44) | Round (2.44) | Floor (2.44) |+------------+-------------+-------------+|           3 |           2 | 2 |+------------+-------------+------

The article mainly describes the actual application of MySQL rounding, as well as in its actual operation worthy of our attention and the actual application of the code description, the following is the main content of the article described in

MySQL numeric processing function floor and round in MySQL, when working with numeric values, a numeric processing function is used, such as having a float value of 2.13, and you want to use the following function floor and round as long as the

When calculating a numeric value, an error is generated by changing a number from code rounding to SQL rounding for integer processing. The field is a varchar type, and the modified result is calculated with the previous result when the decimal bit

A. mysql table structure:The data type of the Member_price column is float (20,2) (Note: Maximum 20-bit floating-point number, 2-bit precision )Insert Record:INSERT into ' member_price ' (' id ', ' data_type ', ' month ', ' member_count ', '

This article mainly describes the practical application of MySQL rounding, as well as the precautions worth attention in its actual operations and the description of its actual application code. The following is a detailed description of the main

MySQL stored procedure SP explanation 1. Introduction to stored procedures The commonly used Operating Database Language SQL statements must be compiled and then executed before execution. the Stored Procedure (Stored Procedure) is a set of SQL

1. Introduction to stored procedures The commonly used operating database language SQL statements must be compiled and then executed before execution. The Stored Procedure (Stored Procedure) is a set of SQL statements for specific functions, after