oracle case statement

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 strange phenomenon. The procedure is as follows: #! /Bin/sh Echo 'hit a

Oracle experience 5 -- add, delete, modify, query, and @ oracle transaction processing @ Case Analysis1. add, delete, modify, and query DML (Data Manipulation Language-Data operation Language) in Oracle can be executed under the following conditions: insert Data into the table, modify existing Data, and delete existing

Statement:Branching statements: if,if else,if ElseIf else,switch caseLooping statements: For,while,do While,foreachJump statement: Break,continueException statement: Try Catch finallyBranch statements:int a=5;if (a>0){Console.WriteLine ("This is a positive number");}Esle//If the a{Console.WriteLine ("This is a number less than or equal to 0");}else if (a>10){Console.WriteLine ("This is a number greater than

inflexible.Report Development Dimension ReferenceThe following dimensions borrow a report developed by Finereport to showDaily Money PlanDaily Funding Plan Dimension report development requires several key points to note:1. Date Lock2. column header pinning: Prevents too many column names, the item name cannot be found on display, and the header needs to be fixed to prevent too many project names from being found when the report is pulled down. 650) this.width=650; "src=" Http://s4.51cto.com/wy

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 2:printf ("banana"); BreakCase 3:printf ("Orange"); BreakCase 4:printf ("pear"); BreakCase 5:printf ("Grape"); Break}When

The case when statement in the MySQL database.A case when statement that evaluates a list of conditions and returns one of several possible result expressions.Case has two formats:The simple case function compares an expression to a set of simple expressions to determine the

the database (that is, files on the hard disk)The data in the disk can only be achieved through the instance, and files on the hard disk cannot be directly read. Differences:An instance can operate databases. At any time, an instance can only be associated with one database. In most cases, only one instance can operate on a database. 3. Note The SQL language is case insensitive, but the words in the where or having condition quotation marks are

Change and deletion in 1.Oracle DML (Data manipulation language– ) can be performed under the following conditions: Inserting data into a table, modifying existing data, and deleting existing data. A transaction consists of a DML statement that completes several tasks. 2. Inserting Data operations Lists the values for each column in the default order of the columns. The column names and their values are lis

#case: ESAC statement: with switch. Case similar, is a multi-branch selection structure#case语句匹配一个值或一个模式 if the match succeeds in executing the corresponding command, if the match does not execute the * command successfully#;; Similar to break, the delegate jumps to the end of the entire

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 {Red|yellow|blue|green}"Exitfi Case " $" inchRed|RED) echo-E"${red_color}$1${res}" ;; Yellow|YELLOW) echo-E"${yellow_color}$1$

I. Basic Format of the case statement: Variable In the preceding format, the semicolon ";" after each mode indicates the end mark of the mode. The statement after the system execution mode does not bypass this flag.Ii. Use case statements to process option Parameters !/bin/.====== [ $# -gt “$

the next set of patterns. Using;; in place of;; Causes the shell to test the nextThe pattern list in the statement, if all, and execute any associated list on a successful match. The exit status is zero if no patternMatches. Otherwise, it is the exit status of the last command executed in list. Look at the following code: Copy Code code as follows: [Root@station1 ~]# Cat case.sh #!/bin/bash While: Todo Echo-n "Input a Lette

Analysis of two methods of SQL statement row/column conversion case... the application of the when function and the limit function bitsCN.com /* Create a database */Create database tmpGoUSE tmpGo /* Create a database Test table */Create table [Scores]([ID] int identity (1, 1)Primary key,[Student] VARCHAR (20 ),[Subject] VARCHAR (30 ),[Score] FLOAT) Go Truncate table Scores/* Insert database test data inform

Swtich case must be used with break.Random r = new Random ();int a = R.next (1, 4);//A random number of playersint B = R.next (1, 4); Player B Random numberstring x = "", y = "";Switch (a){Case 1:x = "Scissors";BreakCase 2:x = "Stone";BreakCase 3:x = "cloth";BreakDefaultBreak}Console.WriteLine ("A contestant out" + x);Switch (b){Case 1:y = "scissors";BreakCase 2:

=day;BreakCase 2:Sum =day + 31;BreakCase 3:sum = day + 31 + 28;BreakCase 4:Sum =day + 31 + 28 + 31;BreakCase 5:Sum =day + 31 + 28 + 31 + 30;BreakCase 6:Sum =day + 31 + 28 + 31 + 30 + 31;BreakCase 7:Sum =day + 31 + 28 + 31 + 30 + 31 + 30;BreakCase 8:Sum =day + 31 + 28 + 31 + 30 + 31 + 30 + 31;BreakCase 9:Sum =day + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31;BreakCase 10:Sum =day + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30;BreakCase 11:Sum =day + 31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 31;BreakC

this case, you need to add a new file to the table space to increase the tablespace size. -Max_extents reached (with ORA-1556 errors ). In this case, you need to modify the table to allow more extensions. Find the maximum value of max_extents in the Technical Manual. If the maximum value has been reached, you must use the compress extents option to unload the table (export) and import it into the (import)

Branch statements:if else if else; switch case--How to use if else if else:Console.WriteLine ("Please Punch");--Output "please punch"int a = Convert.ToInt32 (Console.ReadLine ());--Define a variable aRandom i = new random ();--Random numberint x = I.next (3);--variable x can be randomly given a number of 0-3if ((a-x = = 1) | | (A-x = =-2)){Console.WriteLine ("PC =" + x);Console.WriteLine ("Man wins");}else if (x==a){Console.WriteLine ("PC =" + x);Cons

= $tmpElseIf [$tmp-gt $max];thenmax= $tmpelif [$tmp-lt $min];thenmin= $tmpFiFiDoneecho "The Max Random is: $max"echo "The min Random is: $min"[Email protected] ~]# Case statement: Select structureCase switch in (switch is a value)value1)Statement...;; (The statement ends with a double semicolon)value2)

OR OR or expression) after the statement to query out, all Stateid = 10 and (s Records of tateid=20 and UserID = 2)*/ SELECT * fromTb_test_reportWHEREStateidinch(Ten, - ) and( Case whenStateid= - andUserid 2 Then 0 ELSE 1 END)= 1 The key to this type of problem is Case w

Case usageCaseWhen Condition1 then returnvalue1When condition 2 then returnvalue2When condition 3 then Returnvalue3ELSE DefaultreturnvalueENDEquivalent to If...else...else ....SELECT FName, Fweight,(caseWhen fweightWhen fweight>50 and then ' fat fat 'ELSE ' OK 'END)As IsnormalFrom T_personCREATE TABLE BS(Bsname Char (20),Bsflag Char (20),Bstime datetime)Insert BS VALUES (' Rockets ', ' wins ', ' 2008-01-10 ')Insert BS VALUES (' Rocket ', ' negative ',