MySQL SUM IF – IF function with the SUM function Sample table: purchase The following SQL statement calculates and displays the total number of books purchased, categorized by whether they are published in English or in a language other than English. Explain how this is achieved using the provi...
MySQLIF()Function ❮Previous❮ MySQL FunctionsNext❯ ExampleGet your own SQL Server Return "YES" if the condition is TRUE, or "NO" if the condition is FALSE: SELECTIF(500<1000,"YES","NO"); Try it Yourself » Definition and Usage ...
CREATEFUNCTIONgetCustomerPaymentFunc (@customerCodebigint)RETURNSbigintASBEGINDECLARE@resultbigintSET@result=(SELECTISNULL(SUM(price),0)FROMPaymentLogWHEREcustomerCode=@customerCode)RETURN@resultEND If thecustomerCodedoesn't exist in thePaymentLogtable theSUM()function will returnNULLand you can use ei...
I have a select statment which selects a column called "IsApproved" were it's values either 1 or 0, I want to check if 0 output 'Rejected' and if 1 output 'Approved' ... I'm using sql server 2008 is there any function to do this in sql server ? Thank You ;) All replies (4...
if sql语句_SQL IF语句介绍和概述 大家好,又见面了,我是你们的朋友全栈君。 if sql语句 This article explores the useful function SQL IF statement inSQL Server. 本文探讨了SQL Server中有用的函数SQL IF语句。 介绍(Introduction) In real life, we make decisions based on the conditions. For example,...
CREATE FUNCTION 函数名称([参数 数据类型]) RETURNS 返回值类型 BEGIN 执行的sql语句; RETURN 结果; END$ DELIMITER ; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 调用存储函数 -- 标准语法 SELECT 函数名称(实际参数); 1. 2. 删除存储函数 ...
init SQL:初始化sql。需把连接池先打开,preinit pool为true Variable Name Bound to Pool :数据库链接池名称, 我们可以链接多个Jdbc connection configuration(可以链接多个数据库), 每个可以起不同的名称,在Jdbc request中可以通过这个名称选择合适的链接池进行使用(可以单纯的理解为所有数据库的链接信息都可以通过这个...
function itemDropped(item, location) { const dropOut = function() { server.notify(item, outOfBounds); items.resetAll(); return false; } const dropIn = function() { server.notify(item, location); animateCanvas(); return true; } return !!item && (outOfBounds(location) ? dropOut() : ...
存储过程就是一条或多条sql语句集合,可视为批文件,但是其作用不仅限于批处理 一、创建存储过程和函数 存储程序可以分为存储过程和函数,分别使用create procedure,create function创建,用call语句来调用存储过程,只能输出变量返回值。函数可以从语句外调用,也是返回标量值。存储过程也可以调用其他存储过程。
CREATE FUNCTION (SQL) CREATE FUNCTION (外部) CREATE LOCATION CREATE MATERIALIZED VIEW CREATE RECIPIENT CREATE SCHEMA CREATE SERVER CREATE SHARE CREATE STREAMING TABLE CREATE TABLE 數據表屬性和數據表選項 CREATE TABLE 使用 Hive 格式 CREATE TABLE CONSTRAINT ...