what case statement

5.1 Case Statement1. The case statement has the following structureCase SELECTORWhen EXPRESSION 1 then STATEMENT 1;When Expresssion 2 then STATEMENT 2;........When EXPRESSION n then STATEMENT N;ELSE STATEMENT n+1;END case;The reserved word case

1.case structural Conditional statement syntaxThe case statement is actually the canonical multi-branch if statementCase "string variable" inValue 1) Instruction 1 ...;;Value 2) Instruction 2 ...;;*) Instruction 3 ...EsacChinese programming

Case statements and case expressions are an important part of plsql Process Control. Although they are easy to use, they are easy to confuse. This article describes the case statement and case expression, and provides a demonstration to better

Next we will talk about the mysql stored procedure case statement syntax and instance tutorial. on the home page, let's take a look at the simple description of the case statement, and then explain the specific usage of the case with examples. Next

PL/SQL daily question: the difference between a CASE statement and a CASE expression: there are many different types of guinea pigs in the world, some of which have identifiable characteristics. For example, the "Abyssinians" skin has a pleated

The Oracle case statement is one of the most commonly used statements. The following describes the syntax of the Oracle case statement and provides an example to help you. When multiple condition branch statements are executed, the Oracle case

For such a combined logic circuit [email protected] (x) Case (x) x1: X2 :...... Endcase if the branch item contains all the values of variable X and does not overlap with each other, there is no need to use a comprehensive command in this case. (1)

The Shell Case statement is a multi-select statement. A case statement can be used to match a value with a pattern, and if the match succeeds, the matching command is executed. The case statement is in the following format:The code is as

Oracle Decode () functions and case statements are all common use, so what is the difference between them? Here's a detailed description of The difference between the Oracle Decode () function and the case statement for your reference. First, give

And then we're going to talk about the MySQL Tutorial stored procedure Case statement syntax and example tutorial Oh, home page let's look at a brief description of the case statement, and then illustrate the specific usage of the cases with an

Case statements and case expressions are an important part of PLSQL Process Control. Although they are easy to use, they are easy to confuse. This article describes the case statement and the case expression, and provides an example This helps you

You may be familiar with the IF Else statement, which is used to control the process. A CASE statement statement has a similar effect in the world of SQL. The following is a simple introduction to the use of case statements. Consider the following

If the Case statement is not executed, let's see why .... -- Linux general technology-Linux programming and kernel information. The following is a detailed description. Today, I wrote a simple shell script to test the case statement and found a

change the color of a font with a case statement#!/bin/Bashcolor () {Red_color='\e[1;31m'Green_color='\e[1;32m'Yellow_color='\e[1;33m'Blue_color='\e[1;34m'Pink_color='\e[1;35m'RES='\e[0m'if[$#-ne2];then Echo"Usage $ content

Switch...case statements are often used in the C language, let me show you a detailed question to be aware of when using this statement. Words not much to say, directly cite examples:Example 1:Switch (fruit){Case 1:printf ("Apple"); BreakCase

File system access list:Facl:filesystem Access Control ListSave additional access control permissions with file extensionsOwner>group>otherOwern>facl,user>group>facl,group>otherSetfacl-M: SetU:uid:permG:gid:perm-X: CancelU:uidG:gid[Email protected] ~

2.4 Switch/case replacementThe Switch/case statement is now emulated, but it is also run at compile time. First look at the calling code and output resultsTest casecout ::run ();Test Casecase 2Implementation code is very simple, or

Switch Case statement:1 Switch(expression)2 {3 Caseconstant-expression 1:4 {5 statement block 1;6 Break;7 }8 ...9 Caseconstant-expression N:Ten { One statement block N; A Break; - } - default: the {

Select Case StatementExecutes one of several sets of statements based on the value of an expression. Select Case testexpression[Case Expressionlist-n[Statements-n]] . . .[Case Else Expressionlist-n[Elsestatements-n]]End Select

Create a shell with a case statement (function is open, close, reset, display virtual machine)#!/bin/bashCase "$" inStart)/* When the keyword is start, execute the statement that opens the virtual machineecho Start ...Virsh Start $