http decode

The decode () function is one of the most powerful functions of Oracle PL/SQL and is currently available only to Oracle Corporation, where SQL implementations of other database vendors do not yet have this function. Tools/Materials •

Decode is actually if-else, such as decode (ybc, null, 0, ybc). This means that if the ybc column is null, the function returns 0; otherwise, the function returns ybc. Another example is decode (variable, condition, condition). This means: if-elsif.

Original address: http://www.cnblogs.com/BetterWF/archive/2012/06/12/2545829.htmlReproduced in reserveCompare size function Signfunction Syntax:Sign (n)Function Description:Take the sign of the number n, greater than 0 returns 1, less than 0 returns-

 Delphi uses python to decode emails (reproduced) It is estimated that many people, like me, will not be able to handle many bugs when using Indy, and have to use and modify it. Recently, Indy has been used to send and receive emails, from D7 to d200

Tag: Equals line tab SQL statement HTTP return hive SQL developmentOriginal link: http://www.cnblogs.com/juddhu/archive/2012/03/07/2383101.htmlDecode function usage in OracleMeaning explanation:Decode (condition, value 1, return value 1, value 2,

Address: http://www.cnblogs.com/juddhu/archive/2012/03/07/2383101.htmlMeaning explanation:Decode (condition, value 1, return value 1, value 2, return value 2,... Value N, return value N, default value)The function has the following meanings:IF

Turn from: http://blog.csdn.net/flyingtimeice/article/details/4283145 Beginners Python, encountered a lot of coding problems, write down to avoid the future and forget, a lot of things do not understand, are belong to superficial understanding,

The following is an address: Code Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->Create a cross report Create TableT1 (GoodidNumber(10)Not Null,Saledate dateNot Null,SalesumNumber(10));

1. Create a test table and insert a piece of dataSql> CREATE TABLE test (id int);Table created.sql> INSERT INTO test values (1);1 row created.Sql> commit;Commit complete. 2. Create a function, used to delay, to this function will be circulated here

Introduction to the Decode () function in SQLLook at other people's SQL today look at this inside there are also decode () function, has never been in contact with the Internet to check a bit, but also very useful for a function, write down hope to