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Bitcoin values with precision: guide for mysql and data types from the moving point
As the value of cryptocurrency such as bitcoin continues to grow and fall, it is crucial to have a firm understanding or how to store information accurate. In this article, we will explore the types of data types with a movable point in the values of Bitcoin and propose alternative solutions using myQL.
Plovci Problem: Login Procession
Types of display data for points (such as float idouble) are usually used in financial applications, including cryptocurrency transactions. However, they have significant limitations when it comes to a breakdown of large amounts of money like bitcoin. One of the main problems is precision-cat and the slightest value can exceed the maximum representative range of the number with a movable point.
For example, the current Bitcoin Block limit (51 MB) is set by the algorithm of the consensus of the proof of work. In accordance with the Bitcoin protocol specifications, each block should not exceed 1 MB in total size. If we use values for storing values, we can easily exceed the limit, causing data loss and potentially leading to corruption.
Case for Decimal Data types
To alleviate thesis problems, decimal data types (such as’ decimal “) are often used in financial applications with large amounts of money. TheDecimal 'field' enables us to store values with a certain number of digits after a decimal point, ensuring that we do not exceed the maximum representative range .
In mysql you can create a decimal column using the following syntax:
SQL
Create your wallet tables (
ID int primary key,
Decimal decimal (18, 8) default 0.0
);
Here,Decimal (18, 8)again the field with 18 digits after the decimal point and 8 digits before (ie two decimal places). The provisiondefault 0.0sets the starting value of the column to 0.
Alternative Solutions: Other Data Types
AlthoughDecimalis a great choice for defective Bitcoin values, this is not the only option. Here are some alternative types of data you can consult with:
A large integer (bigint) : similar to decimal, but instead uses integer format with fixed width or numbers with floating points.
SQL
Create your wallet tables (
ID int primary key,
Balance Bigint default 0
);
* BINARY_FLOAT : Binary data type that repeats numbers with variable points in compact form. However, it is still subject to the same problems of precision as the numbers with a moving commas.
SQL
Create your wallet tables (
ID int primary key,
Balance binary_float
);
* Numerical
: similar todecimal, but instead uses integer format with fixed width or decimal places.
Conclusion
Bitcoin MYSQL DIRECTION VALUES VALUE DATA CHANGE WITH DEMCANTS, BIGENTS, or Binary Data Type with a floating point can be a good solution for most cases of use. However, if you need more precision or do not interfere with the sacrifice of some performance, consider exploring alternative solutions such as large numbers or numerical data types.
Remember that you are always thoroughly testing your design and consider the specific requirements of your app before you are distributed in production.
Example uses the case
Here's an example of how you can store your Bitcoin wallet balance using mysql:
SQL
Insert into wallets (ID, balance)
Values (1, 10,000000);
In this example, we create a new record withid` or 1 and ‘balance’ or 10.0 BTC, which is stored by the decomminee (18, 8) ‘column.
Using decimals or other data types, you can ensure that the values of Bitcoin wallets are presented and stored in your MySQL database.
