postgres case statement

Examples are as follows: Data table is demotable, field has ID, condition1,condition2,condition3,condition4,condition5 The requirement is to query demotable, condition1,condition2,condition3,condition4,condition5 Five fields that meet any of two or more than two conditions. You can use case when to implement this condition, requiring nested subqueries Examples of SQL statement code are as follows:

Label:Keyword is case insensitiveFor example, select, from, case can beIdentifiers are case-sensitiveFor example, table name, column nameIf the identifier is not double-quoted, the default is uppercaseIdentifiers are executed in the original case if double quotation marks are addedHowever, when the table name is enclos

The case syntax in shell is as follows:Case word in pattern1) Statement (s) to be execute if pattern1 matchs; pattern2) Statement (s) to be execute if pattern2 matchs; pattern3) Statement (s) to be execute if pattern3 matchs; *) Default action ;; Esac [Note] the pattern mode cannot contain metacharacters :*,? , [...]

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 ',

Example of a bash case statement. Sharing a bash shell code is helpful in understanding the use of case statements by students who learn about bash. Example: Copy Code code as follows: #!/bin/bash ## # program: # File operation # 1.) Open file 2.) Display file 3.) Edit file 4.) Delete file # Site:WWW.JB51.NET Path=/bin:/sbin:/usr/bi

2.4Switch/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 Test Casecase 2Implementation code is very simple, or template-specificTemplate}};template }}; C + + template metaprogramming Five: switch/case

The table game_info is known as follows Date_info Result_info 2018-2-4 Win 2018-2-4 Lose 2018-2-4 Win 2018-2-4 Lose 2018-2-5 Lose 2018-2-5 Lose 2018-2-5 Lose Q. How do I find the following results? Date_info Win Lose 2018-2-4 2 2 2018-2-5 0 3

Tags: control statement CTO ROC read case share picture COM ASE pngThe Linux shell has learned several times.But the memory is not good, always forget, chase the main reason may be not common reason!Case beginning Esac EndHere's the result.Input method does not enter the symbol is wrong, the beginning of the total error, and then switched the input method is good

C # ignoring letter case for if statement (Stackoverflow ), Question: I have this if statement: If (input = 'day') Console. Write ({0}, dayData ); When the user types 'day' it shoshould be so that the console writes the data in that array. it works fine but is there anyway to get it to work if the user types 'day' or 'day' etc. I know I cocould do: If (inp

Grammar:Case SelectorWhen Exp1 then Res1When Exp2 then Res2When Exp3 then Res3...[ELSE RESN]EndSql> Declare2 Mygrade char (1): = ' A ';3 res varchar2 (20);4 begin5 Res: =6 Case Mygrade7 when ' A ' and ' The mark is 90-100 '8 when ' B ' and ' The mark is 80-90 '9 when ' C ' and ' The mark is 70-80 'When ' D ' and ' The mark is 60-70 'Once ' E ' then ' the mark is 0-60 'The END;Dbms_output.put_line (RES);The end;15/The Mark is 90-100PL/SQL procedure suc

Tags: style cas double quote Log ACL query table SEL statementExample 1: A) double quotation marks are required for column names that begin with "_" in the Query column. b) Use the "case" keyword to determine whether the pass is directly based on the score. create table Tbl_score (id number (4 ), -- id name" Span style= "COLOR: #0000ff" >varchar2 (30 ), -- name score number3 ), -- fraction otherscore number (3 ) -- other scores ); sel

Tags: blog HTTP use ar sp 2014 on log ad1. Switch caseBreak)The braces closest to the break. jump out of the braces and execute the commands after the braces.Switch case must be used with break.Enter the number of months and the number of days of the year respectively.1, 3, 5, 7, 8, and 10 every year, December is 31 days.This year's February is 28 daysThe other 4 6 9 11 is 30 days.Int M = int. parse (console. Readline (); // defines the input month as

Label:Youdao Written Questions: Server Monitoring table Server_status, when the server state occurs server_status changes in the data table will be inserted a record, state 0 indicates that the shutdown 1 is normal, SQL query Server A's downtime start time and end time, There is a status record for more than one server in the table. svr_id Svr_name Status_time STATUS 1 A 2013-10-31 00:00:00 1 2 B 2013-10-31 00

Css writes the first letter of an English statement in upper case. Css writes the first letter of an English statement in uppercase:The first letter of the first word is an English statement. The following code example shows how to use css to implement this function. The Code is as follows: The original address

In an IF condition statement, a logical condition can only have one, and if there are multiple conditions, it can be resolved using nested IF statements, but this method increases the complexity of the program and reduces the readability of the program. Using the switch Process Control statement can solve these problems perfectly, with the following basic structure: Switch

{0} years.") ", y, D);BreakCase 2:console.writeline ("is {1} days of {0} years.") ", Y, + D);BreakCase 3:console.writeline ("is {1} days of {0} years.") ", Y, + + + D);BreakCase 4:console.writeline ("is {1} days of {0} years.") ", Y, + + + + D);BreakCase 5:console.writeline ("is {1} days of {0} years.") ", Y, + + + + + + D);BreakCase 6:console.writeline ("is {1} days of {0} years.") ", Y, + + + + + + D);BreakCase 7:console.writeline ("is {1} days of {0} years.") ", Y, + + + + + + + + + + D);Bre

Tags: IPA ... Cyclic exp BMS Method Bre STD While1, for: Read different variable values, execute the same set of commands one by one, until the value is complete exit, variable values are separated by a spaceSyntax: For variable value in value listDoCommandDone2, while: Repeated testing a condition, the establishment is executed, into the next loop, until the condition is not establishedSyntax: While [condition Test]DoCommandTo add a change test condition statementDoneTo add a user in bulk:I=qsW

QUESTION:I has this if statement:if (input = = ' Day ') Console.Write ({0}, Daydata); When the user types ' day ' it should is so, the the console writes the data in that array. It works fine but was there anyway to get it to work if the user types ' day ' or ' day ' etc. I know I could do:if (input = = ' Day ' | | input = = ' Day ' | | input = = ' Day ') Console.WriteLine ({0}, Daydata); But was there anyway to make it shorter and tidier? Thanks. Answer:if (input. ToLower () = = "Day") {}C # Ig