select case if

Overview:The case statement in the SQL statement and the switch statement in the high-level language are standard SQL syntax, and are suitable for a condition that has multiple values to perform different operations, respectively.First, let's look

Overview:The case statement in the SQL statement and switch statement in the advanced language are standard SQL syntaxes and are applicable to multiple condition judgments. In case of different values, perform different operations. First, let's take

Case has two formats. Simple case function and case search function.--Simple Case function Case Sex When ' 1 ' Then ' men ' When ' 2 ' then ' women ' Else ' other ' END --case search function case If sex = ' 1 ' Then ' man ' When sex = ' 2 '

Address: http://www.ibm.com/developerworks/cn/rational/r-usecase-atm/index.html Level: elementary Fu chunyi, technical sales manager of Rational China, software department of IBM China Co., Ltd. November 01, 2004 Use Case is a method used to

Case modeling GuideFu chunyi, technical sales manager of rational China, software department of IBM China Co., Ltd.November 01, 2004Original URL: http://www-128.ibm.com/developerworks/cn/rational/r-usecase-atm/@

Use case is a method used to describe system requirements. The process of describing system requirements using use cases is case modeling. The use case method was first proposed by Dr. IVA jackboson and was later integrated into the UML

Case has two formats. Simple case function and case search function.--Simple Case function Case Sex When ' 1 ' Then ' men ' When ' 2 ' then ' women ' Else ' other ' END --case search function case If sex = ' 1 ' Then ' man ' When sex = ' 2 '

You cannot use the switch statement in ASP, you need to use the Select Case statement A Brief introduction Select the work of the report, if the statement. The difference, however, is that they can check for multiple values. Of course, you

First, Select case syntax and parameter introduction Select Case testexpression [Case Expressionlist-n [Statements-n]] ... [Case Else [Elsestatements]] End Select The syntax for the Select case statement has the following sections:

Shell programming control structure: expr, let, for, while, until, shift, if, case, break, continue, function, select 1. expr calculates the integer variable value S = 'expr 2 + 3' The operator numbers and parameters must be separated by spaces; 2.