how to create function

Enterprise|mysql Peeking in MySQL 5.0 Enterprise functional ©by Dennis DLL (Dan Zhou) 2004.01 MySQL5.0 Alpha, our long-awaited create function and create Procedure are finally available. For more information, please refer to the news of the

Read the Cocos2d-x demo code, we will see some header files using CREATE_FUNC This macro, then what does it do? What does it do in cocos2d-x? Let's take a look at the source code of the CREATE_FUNC macro: [CPP]  View plain copy/** 

An image of size m*n can be represented by a m*n matrix, and the value of the matrix element is represented The brightness of the pixel in this position, in general, the larger the pixel, the brighter the point. In general, the grayscale

Create function todayCREATE FUNCTION ' func_get_split_string_total ' (f_string varchar (+), F_delimiter varchar (5)) RETURNS Int (one) BEGIN return 1+ (Length (f_string)-Length (replace (F_string,f_delimiter, '))); ENDError message:ERROR 1418 (HY000

Create function fun_a () #标题函数, create function Fun_name () returns OUTPUT_TYPE as begin return value end;returns intAsBeginreturn 1;EndGoCreate function Fun_b () #多语句用户定义函数, create function Fun_name () returns @value table (Colum_list) as begin

A user-defined function cannot be used to perform a series of operations that alter the state of a database, but it can be like a system letterUsed in a program segment, such as a query or stored procedure, or as a stored procedure.Execute command.

In the above article, I made an encapsulation of New using prototype principle, and then I thought, can I further encapsulate some basic features of object-oriented with prototype principle? For example, inheritance. Well, let's build it step by

One function 1 mathematical function CEIL () one to take an integer SELECTCEIL (12); 2 FLOOR () to take an integer SELECTFLOOR (19); 9MOD to take the remainder (modulo) SELECTMOD (3, 8); 3-3: 8 modulo POWER () POWER operation SELECTPOWER (3, 2); 9

In addition, this article is an entry-level article. I also started to learn Javascript and want to write such an article with a little experience. It is inevitable that there will be errors in this article, please give me a commentSpam

How to determine whether a SQL string contains characters In SQL, we can use many methods to determine whether a string contains a string, such as like, replace, and charindex functions. The following describes how to determine whether a string

The following content mainly introduces the basic content of MySQL5.0. at the same time, this article also lists the actual application code in MySQL5.0. I hope you will understand the actual content of MySQL5.0 after browsing. The following

I'm leaving... who initiated the title so rude? Change it... huh, take care of him! The teacher told me not to care about these details. let's start our topic. Here we will discuss the table value functions in SQL. this article may not be of much

-- Retrieve the number IFOBJECT_ID (DBO. GET_NUMBER2) ISNOTNULLDROPFUNCTIONDBO. GET_NUMBER2GOCREATEFUNCTIONDBO.GET_NUMBER2 (@ SVARCHAR (100) RETURNSVARCHAR (100) ASBEGINWHILEPATINDEX (% [^ 0-9] %, @ S) 0BEGINset @ sstuff (@ s, patindex (% [^ 0-9] %,

Several common mysql functions ********************************** * ******************* 1. determine whether the string is a Chinese character return value: 1-Chinese 0-non-Chinese ********************************* * *******************

Mysql stored procedures and common functions I. Functions 1. mathematical functions CEIL () into one integer Select ceil (1, 1.2); 2 FLOOR () Rounding Select floor (1, 1.9); 9 MOD remainder (Modulo) Select mod (3,8); 3-3 modulo 8 POWER () POWER

MySQL sequence solution bitsCN.com Differences between MySQL auto-growth and Oracle sequence:Auto-increment can only be used for one field in the tableAuto-growth can only be assigned to a fixed field of a fixed table, and cannot be shared by

1 creation of dynamic controls on top of the MFC dialog box　The controls on the dialog box are a specific object of the MFC class.When you use static controls on top of a dialog box, you can add messages, response functions, and variables to each

Analysis of performance problems caused by connection with table-valued functions Table value functions SQL Server provides functions similar to other programming languages, and functions are typically encapsulated by code and return values. In SQL

Create a user-defined function, which is a stored Transact-SQL routine of the returned value. User-defined functions cannot be used to modify the global database status. Like system functions, user-defined functions can be called from queries. You

Let's look at two instances first. Create FUNCTION [f_Get_DownCorpTree] (@ CorpID int)Returns @ CorpTree TABLE(CorpID int)AsBegin-- Call method: Select * From f_Get_DownCorpTree (20) -- Get the company's next-level company set-- SET NOCOUNT ON --