Today, the above header requires a similar function, initially thought of column-to-row, but there is no good way to implement it, this function is goodThe DECODE function is one of the powerful functions of oracle pl/SQL. Currently, only oracle SQL
The decode () function is one of the powerful functions of ORACLEPLSQL. Currently, only oracle SQL provides this function, and other database vendors do not yet implement this function. The DECODE function is one of the powerful functions of
When it comes to the Oracle Decode function, What is the main purpose of DECODE? First, we need to construct a related example. If we want to increase the salary for employees of a company, the standard is that the salary of less than 8000 yuan will
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I. Software Environment
1. windows nt4.0 + oracle 8.0.4
2. oracle installation path: c: \ orant
Ii. Meaning
Iii. Usage
1. Compare the size
Select decode (sign (variable 1-variable 2),-1, variable 1, variable 2) from dual; -- smaller value
The decode () function is one of the powerful functions of Oracle PL/SQL. Currently, only oracle SQL provides this function, and other database vendors do not yet implement this function.
The DECODE function is one of the powerful functions of
Meaning and usage of oracle decode (), oracledecode
Description:
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 condition = value 1
Author: network collection, source: IT expert network, responsible editor: ttdb,
The decode () function is one of the powerful functions of Oracle PL/SQL. Currently, only oracle SQL provides this function, this function is not available for SQL
The decode () function is one of the powerful functions of Oracle Pl/sql, and it is currently available only in Oracle company SQL, and not in the SQL implementations of other database vendors.
The Decode function is an Oracle Pl/sql is one of the
function Introduction 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.What is the
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
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The decode () function is one of the powerful functions of ORACLEPLSQL. Currently, only oracle SQL provides this function, and other database vendors do not yet implement this function. The DECODE function is one of the powerful functions of
Functions in Oracle (1)-The Decode ecode () function is one of the powerful functions of oracle pl/SQL. Currently, only oracle SQL provides this function, this function is not available for SQL implementations of other database vendors. The DECODE
In Oracle, the Decode () function is a powerful function in oracle pl/SQL. Currently, only oracle SQL provides this function, this function is not available for SQL implementations of other database vendors. The DECODE function is one of the
Instructions to press constants into the stackAconst_null to press the null object reference into the stackICONST_M1 pressing the int type constant-1 into the stackICONST_0 pressing the int type constant 0 into the stackiconst_1 pressing the int
Decode(Condition, value 1, translation value 1, value 2, translation value 2,... value n, translation value n, default value)
The function has the following meanings:
If condition = value 1 thenReturn (translation value 1)Elsif condition = value
Note:If you have finished reading the following article. Just try this KeyGenme, I believe you can get something.Http://www.52pojie.cn/thread-540179-1-1.htmlFirst, the beginning of the article we want to paste a simple language code, and compile
Today, the above header requires a similar function, initially thought of column-to-row, but there is no good way to implement it, this function is good
The DECODE function is one of the powerful functions of oracle pl/SQL. Currently, only oracle
This article illustrates the method of Oracle to implement row and column conversion. Share to everyone for your reference, specific as follows:
1, the row and column conversion of fixed number
Such as:
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