Home Database Mysql Tutorial Mysql存储过程示例_MySQL

Mysql存储过程示例_MySQL

Jun 01, 2016 pm 01:01 PM
Example process

DELIMITER $
CREATE PROCEDURE generate_Equipment(district INT,warehouseNO VARCHAR(10) )
BEGIN
DECLARE l_no VARCHAR(50);
DECLARE l_address VARCHAR(20) ;
DECLARE l_name VARCHAR(20) ;
DECLARE l_city VARCHAR(20) DEFAULT "天津";
DECLARE l_longitude DOUBLE;
DECLARE l_latitude DOUBLE;
DECLARE l_money BIGINT;
DECLARE l_type TINYINT DEFAULT 2;
DECLARE l_rand DOUBLE;
DECLARE l_init LONG;
DECLARE l_actual LONG;
DECLARE i INT DEFAULT 0;

WHILE i SELECT longitude INTO l_longitude FROM warehouse WHERE NO=warehouseNO AND district=district;
SELECT latitude INTO l_latitude FROM warehouse WHERE NO=warehouseNO AND district=district;
SET l_address="address";
SET l_name="equipment";
SET l_rand=RAND();
SET l_no=CONCAT('03Q',ROUND(l_rand*1000000000000));
SET l_address=CONCAT(l_address,ROUND(l_rand*i));
SET l_name=CONCAT(l_name,ROUND(l_rand*i));
SET l_longitude=l_longitude+l_rand;
SET l_latitude=l_latitude+l_rand;
SET l_init=ROUND(l_rand*30000);
SET l_actual=ROUND(l_rand*13000);
INSERT INTO equipment (NO,NAME,city,district,address,longitude,latitude,init,actual,TYPE) VALUES(l_no,l_name,l_city,district,l_address,l_longitude,l_latitude,l_init,l_actual,l_type);
SET i=i+1;
END WHILE;
END;
$
DELIMITER ;

Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
3 weeks ago By 尊渡假赌尊渡假赌尊渡假赌

Hot Tools

Notepad++7.3.1

Notepad++7.3.1

Easy-to-use and free code editor

SublimeText3 Chinese version

SublimeText3 Chinese version

Chinese version, very easy to use

Zend Studio 13.0.1

Zend Studio 13.0.1

Powerful PHP integrated development environment

Dreamweaver CS6

Dreamweaver CS6

Visual web development tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Introduction to Python functions: Introduction and examples of exec function Introduction to Python functions: Introduction and examples of exec function Nov 03, 2023 pm 02:09 PM

Introduction to Python functions: Introduction and examples of exec function Introduction: In Python, exec is a built-in function that is used to execute Python code stored in a string or file. The exec function provides a way to dynamically execute code, allowing the program to generate, modify, and execute code as needed during runtime. This article will introduce how to use the exec function and give some practical code examples. How to use the exec function: The basic syntax of the exec function is as follows: exec

Go language indentation specifications and examples Go language indentation specifications and examples Mar 22, 2024 pm 09:33 PM

Indentation specifications and examples of Go language Go language is a programming language developed by Google. It is known for its concise and clear syntax, in which indentation specifications play a crucial role in the readability and beauty of the code. effect. This article will introduce the indentation specifications of the Go language and explain in detail through specific code examples. Indentation specifications In the Go language, tabs are used for indentation instead of spaces. Each level of indentation is one tab, usually set to a width of 4 spaces. Such specifications unify the coding style and enable teams to work together to compile

Oracle DECODE function detailed explanation and usage examples Oracle DECODE function detailed explanation and usage examples Mar 08, 2024 pm 03:51 PM

The DECODE function in Oracle is a conditional expression that is often used to return different results based on different conditions in query statements. This article will introduce the syntax, usage and sample code of the DECODE function in detail. 1. DECODE function syntax DECODE(expr,search1,result1[,search2,result2,...,default]) expr: the expression or field to be compared. search1,

Introduction to Python functions: Usage and examples of abs function Introduction to Python functions: Usage and examples of abs function Nov 03, 2023 pm 12:05 PM

Introduction to Python functions: usage and examples of the abs function 1. Introduction to the usage of the abs function In Python, the abs function is a built-in function used to calculate the absolute value of a given value. It can accept a numeric argument and return the absolute value of that number. The basic syntax of the abs function is as follows: abs(x) where x is the numerical parameter to calculate the absolute value, which can be an integer or a floating point number. 2. Examples of abs function Below we will show the usage of abs function through some specific examples: Example 1: Calculation

Introduction to Python functions: functions and examples of eval function Introduction to Python functions: functions and examples of eval function Nov 04, 2023 pm 12:24 PM

Introduction to Python functions: functions and examples of the eval function In Python programming, the eval function is a very useful function. The eval function can execute a string as program code, and its function is very powerful. In this article, we will introduce the detailed functions of the eval function, as well as some usage examples. 1. Function of eval function The function of eval function is very simple. It can execute a string as Python code. This means that we can convert a string

Introduction to Python functions: Usage and examples of isinstance function Introduction to Python functions: Usage and examples of isinstance function Nov 04, 2023 pm 03:15 PM

Introduction to Python functions: Usage and examples of the isinstance function Python is a powerful programming language that provides many built-in functions to make programming more convenient and efficient. One of the very useful built-in functions is the isinstance() function. This article will introduce the usage and examples of the isinstance function and provide specific code examples. The isinstance() function is used to determine whether an object is an instance of a specified class or type. The syntax of this function is as follows

Introduction to Python functions: functions and examples of sorted function Introduction to Python functions: functions and examples of sorted function Nov 03, 2023 pm 02:47 PM

Introduction to Python functions: functions and examples of sorted functions Python is a very powerful programming language with a wealth of built-in functions and modules. In this series of articles, we will introduce the commonly used functions of Python one by one and provide corresponding examples to help readers better understand and apply these functions. This article will introduce the functions and examples of the sorted function in detail. The sorted function is used to sort an iterable object and return a new sorted list. Can be used for numbers and words

The role and examples of the endwhile keyword in PHP The role and examples of the endwhile keyword in PHP Jun 28, 2023 pm 08:00 PM

The role and examples of the endwhile keyword in PHP In PHP, endwhile is a control structure used to implement while loops. Its function is to allow the program to repeatedly execute a block of code when specified conditions are met until the conditions are no longer met. The syntax form of endwhile is as follows: while(condition)://loop body code endwhile; in this syntax, condition is a logical expression. When the expression

See all articles