Question with decode

What I want to do is have 'o.supplier_id = w.city' not only display the name of the city, but to add the word "warehouse" at the end automatically each time. How would I do that here?
select o.ord_id,
decode(o.order_status, 'C', 'Order completed', 'o.supplier_id = w.city') Order_destination,
from orders o,
warehouses w
where o.ord_id = w.city
group by o.ord_id;

Hi,
Are you saying the query is working okay now, but instead of 'o.supplier_id = w.city' you want it to say 'o.supplier_id = w.city warehouse'?
If so, change 'o.supplier_id = w.city' to 'o.supplier_id = w.city warehouse'
select    o.ord_id,
          decode ( o.order_status,
               'C',             'Order completed',
                          'o.supplier_id = w.city warehouse'
           ) Order_destination,
from      orders o,
          warehouses w
where     o.ord_id = w.city
group by o.ord_idIf you want something else (e.g., if status is not 'C', then you want to compare o.supplier_id to w.city) then post a little sample data, and the results you want from that data (formatted, between tags).
You'll almost certainly want to use CASE instead of DECODE. If you have to ask about how to do something in DECODE, then the solution is going to be needlessly complicated.

Similar Messages

OWB3i - Validate with DECODE function

Hi,
in OWB 3i when I validate an expression defined inside an expression operator with DECODE() function (which is not include in default transformation) come this error:
Line 1, Col 1:
PLS-00204: function or pseudo-column 'DECODE' may be used inside a SQL statement only
but it seems only a warning because when i generate the scripts and run no other error happen and all works fine.
Regards

Hi,
Welcome to the forum!
When you use a default value, the last argument to DECODE is the actual value you want as a default.
For example:
SELECT       ename
,       deptno
,       DECODE ( deptno
             , 30     , 'Sales'
                  , 'All others'     -- Default value
              )                 AS dname
FROM      scott.emp
ORDER BY ename
;Output:
ENAME          DEPTNO DNAME
ADAMS              20 All others
ALLEN              30 Sales
BLAKE              30 Sales
CLARK              10 All others
FORD               20 All others
JAMES              30 Sales
JONES              20 All others
KING               10 All others
MARTIN             30 Sales
MILLER             10 All others
SCOTT              20 All others
SMITH              20 All others
TURNER             30 Sales
WARD               30 Sales
I hope this answers your question.
If not, post a little sample data (CREATE TABLE and INSERT statements, relevant columns only) for all tables involved, and also post the results you want from that data.
Explain, using specific examples, how you get those results from that data.
If you can show the problem using commonly available tables (such as those in the scott schema) then you don't need to post any sample data; just the results and the explanation.
Always say which version of Oracle you're using (e.g., 11.2.0.2.0).
See the forum FAQ {message:id=9360002}

Problem with decode!!!

Hi guys,
I have a problem with "decode"!
How can I tell the decode expression
that if a rowset don't exists --> then doing something.
I've tried that with "NULL" but that don't works.
here my code:
I wanted that if tx.text doesn't exists then
it returns fs.anlageschwerpunkt_lang, and otherwise
it returns tx.Text.
select
decode(tx.Text,NULL,fs.anlageschwerpunkt_lang,tx.Text) Anlageschwerpunkt_1 from
POI.Fondsstamm fs,
Texte tx,
Texttypstamm txy
where
tx.match='amfcomm'
and tx.match=rtrim(fs.match)
and tx.TEXTTYPID=txy.TEXTTYPID
and txy.BEREICHSID=14
and txy.texttyp='Marketingstrategie'
I hope somebody of you can help me
thanxx
Schoeib

I read Schoeibs question differently; no ROWS are being returned. In that case you cannot expect DECODE or any other function to do anything. Assuming that rows always exist in fs and txy and are only missing in tx, then you need an outer join. Note that the join of tx.match = rtrim(fs.match) has been altered to avoid outer joining to more than one table. As mentioned before, although the decode is OK, NVL could be used instead.
select
decode(tx.Text,NULL,fs.anlageschwerpunkt_lang,tx.Text) Anlageschwerpunkt_1 from
POI.Fondsstamm fs,
Texte tx,
Texttypstamm txy
where
tx.match(+)='amfcomm'
and rtrim(fs.match) = 'amfcomm'
and tx.TEXTTYPID(+)=txy.TEXTTYPID
and txy.BEREICHSID=14
and txy.texttyp='Marketingstrategie'

ViewObjects Order by clause with DECODE

Hello!
I am using Jdeveloper 11g, version 11.1.1.2.0.
The problem I'm having is this.
If I use a DECODE statement in view objects ORDER BY clause, I get an error: "java.util.regex.PatternSyntaxException: Unmatched closing ')' near index 2".
Let me give an example. I'll be using EmployeesView view object, which is using Employees entity from HR schema.
This is a part of view objects XML.
<ViewObject
xmlns="http://xmlns.oracle.com/bc4j"
Name="EmployeesView"
Version="11.1.1.55.36"
SelectList="Employees.EMPLOYEE_ID,
Employees.FIRST_NAME,
Employees.LAST_NAME,
Employees.EMAIL,
Employees.PHONE_NUMBER,
Employees.HIRE_DATE,
Employees.JOB_ID,
Employees.SALARY,
Employees.COMMISSION_PCT,
Employees.MANAGER_ID,
Employees.DEPARTMENT_ID"
FromList="EMPLOYEES Employees"
BindingStyle="OracleName"
CustomQuery="false"
PageIterMode="Full"
UseGlueCode="false"
OrderBy="Employees.MANAGER_ID">
As you can see in this case, the Order by clause is very simple. This works like a charm.
But, if put something like this "DECODE(Employees.MANAGER_ID, NULL, 1, 2)" in the Order by, I get an internal parsing error.
I replicated this error on my home machine as well as on my work machine. I'm using the same version of Jdeveloper on both.
Has anyone else stumbled upon this problem and solved it?
Any thoughts would be greatly appreciated :)
Kristjan

The second example works, but the first one doesn't, unfortunately :/
Also, the example I gave is unfortunately just that, a proof-of-concept example that there is a problem with DECODE if it is written inside the Order by clause.
My real DECODE use case is a bit different. Like this: "DECODE(attribute, 'N', 1, 2) ASC".
Since posting my original question, I did some research-by-example work and I discovered that this is not just a problem of DECODE, but more like a problem of brackets and commas.
No database function that uses more than one parameter can be used in Order by clause.
The reason is, if a function with more than one parameter is used, commas inside brackets have to be used. Something along the lines of: "database_function(param1, param2, ...)".
The parser seems to have a problem with this kind of expressions.
Is there a work around?
Kristjan
p.s.: Thank you for your quick response.

Error while replacing IF statements with DECODE function in procedure

Hi All,
I have created a procedure which has nested IF statements. Now I want to replace the IF statements with DECODE functions to improve performance.
Procedure:
IF (var_int_sev = '0')
THEN
var_sev := '2';
ELSE
SELECT sev
INTO var_int_sev
FROM errorconfig
WHERE errorcode = var_errorcode;
var_sev := var_int_sev;
END IF;
I converted the above IF statement into DECODE function as mentioned below:
var_Sev := DECODE(var_int_sev,0,2,SELECT severity FROM errorconfig WHERE errorcode=var_ErrorCode)
But it throws below error at the select statement used inside DECODE.
Error(58,51): PLS-00103: Encountered the symbol "SELECT" when expecting one of the following: ( - + case mod new not null others <an identifier> <a double-quoted delimited-identifier> <a bind variable> avg count current exists max min prior sql stddev sum variance execute forall merge time timestamp interval date <a string literal with character set specification> <a number> <a single-quoted SQL string> pipe <an alternatively-quoted string literal with character set specification> <an alternativ
Can someone help me in converting the IF to DECODE in the above case. Also how can we use a select statement inside decode.

instead of trying to rewrite all your code and hoping that the performance will be better, it's a better option to investigate and find out which part of your application is slow
read this:
When your query takes too long ...

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How do I reset my apple id security question with out a rescue email?

You need to ask Apple to reset your security questions; ways of contacting them include clicking here and picking a method for your country, phoning AppleCare and asking for the Account Security team, and filling out and submitting this form.
They wouldn't be security questions if they could be bypassed without Apple verifying your identity.
(101013)

Problem with DECODE block in WHERE clause

Hi,
I'm facing problem with DECODE statement. I just simulated my problem in the simple way as follows. If I execute this following query, I should get "hello", but I'm not getting anything (ZERO rows returned).
SELECT 'hello' FROM DUAL
WHERE 'sample1' in (DECODE(1, 1, '''sample1'', ''sample2'', ''sample3''',
2, '''sample4'', ''sample5'', ''sample6'''
I think some problem is there in my WHERE clause.
But When I'm exeucting the following query as a seperate query, then I'm getting the value of DECODE block properly, but didn;t understnad why its not returning the same way when I'm putting the same DECODE statement in WHERE clause.
SELECT DECODE(1, 1, '''sample1'', ''sample2'', ''sample3''',
2, '''sample4'', ''sample5'', ''sample6'''
FROM DUAL;
Please help me to get out of this problem. Thank you so much in advance.
Thanks,
Ramji.

The value returned by SELECT DECODE(1, 1, '''sample1'', ''sample2'', ''sample3''',2, '''sample4'', ''sample5'', ''sample6''') FROM DUAL;
'sample1', 'sample2', 'sample3' is a single string. Consider it x.
SELECT 'hello' FROM DUAL WHERE 'sample1' in ( DECODE(1, 1, '''sample1'', ''sample2'', ''sample3''',2, '''sample4'', ''sample5'', ''sample6'''));
is like SELECT 'hello' FROM DUAL WHERE 'sample1' in ('x');
or
SELECT 'hello' FROM DUAL WHERE 'sample1' in ('''sample1'', ''sample2'', ''sample3''') and not
SELECT 'hello' FROM DUAL WHERE 'sample1' in ('sample1', 'sample2', 'sample3');
For this same reason SELECT 'hello' FROM DUAL WHERE 'sample1' in (select '''sample1'', ''sample2'', ''sample3''' from dual);
also does'nt work.
Please use INSTR to find whether 'sample1' exists in the string 'sample1', 'sample2', 'sample3'.

Basic questions with respect to ABAP WebDynpro Application

Hi All,
I have two basic questions with respect to an ABAP WebDynpro application :
a) If an ABAP WebDynpro application has been developed, how could it be made available to the end user?
b) Can an ABAP WebDynpro application be developed in ECC or is it only applicable for version 4.6c?
Thanks & Regards,
Sushanth Hulkod

Sushanth Hulkod wrote:
> a) If an ABAP WebDynpro application has been developed, how could it be made available to the end user?
>
> b) Can an ABAP WebDynpro application be developed in ECC or is it only applicable for version 4.6c?
a) If an ABAP WebDynpro application has been developed, how could it be made available to the end user?
Answer - By providing direct link of the WD application created in SE80, creating iView for webdynpro abap application in the portal environment and NWBC environment
b) Can an ABAP WebDynpro application be developed in ECC or is it only applicable for version 4.6c?
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Problems with decoding an latin1-encoded url

Hi,
i have a problem with decoding german umlaut-characters from an URL.
I'm using Tomcat 5.5 on a Linux server and one on a windows machine for development. Both webapps have the same configurations.
A servlet decodes the URL-String, parses it and stores the parsed data into a mysql-DB.
For decoding the query-string i'm using org.apache.commons.codec.net.URLCodec.URLCodec.decode .
Here's the code:
String unparsedParameters = request.getQueryString();
URLCodec codec = new URLCodec("ISO-8859-1");
result = codec.decode(unparsedParameters);Here an example for a query-string: http://servername:8080/servlet/Import?Etwas%20wurde%20am%2025.08.2010%2010%3A16%3A50%20*ge%E4ndert*
On the windows machine the word "*geändert*" is decoded correctly. But on the linux server i get "*ge?ndert*". It makes no difference if i write the result into the database or just into a logfile.
Can anyone help?
Thanks in advance.
Edited by: sol1640 on Aug 26, 2010 5:59 AM

Problem resolved.
Instead of using the decode-method as described in my fist message now i'm doing the folowing:
fURLDecodigCharset = "ISO8859-1";
byte[] bytes = originalParam.getBytes(fURLDecodigCharset);
byte[] decodeUrl = URLCodec.decodeUrl(bytes);
result = new String (decodeUrl, fURLDecodigCharset);because the method "decode" decodes the string by using the defaultcharset. And that was the problem.
>
The default charset is determined during virtual-machine startup and typically depends upon the locale and charset of the underlying operating system.
>
Thats why i've got different behaviours on different systems.
Thanks

Sql query for emp with decode

How to get the required output with single query to acheive IF SAL>2500 and job='manager' then display job as 'seniormanager'.
CREATE TABLE EMP(EMPNO NUMBER(4) NOT NULL,ENAME VARCHAR2(10),JOB VARCHAR2(9),MGR NUMBER(4),HIREDATE DATE,SAL NUMBER(7, 2),COMM NUMBER(7, 2),DEPTNO NUMBER(2));
INSERT INTO EMP VALUES(7521, 'WARD', 'SALESMAN', 7698,TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30);
INSERT INTO EMP VALUES(7566, 'JONES', 'MANAGER', 7839,TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20);
INSERT INTO EMP VALUES(7698, 'BLAKE', 'MANAGER', 7839,TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30);
INSERT INTO EMP VALUES(7782, 'CLARK', 'MANAGER', 7839,TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10);
INSERT INTO EMP VALUES(7788, 'SCOTT', 'ANALYST', 7566,TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20);
IF SAL>2500 and job='manager' then display job as 'seniormanager'
SELECT * FROM EMP
expected output
7521     WARD     SALESMAN         7698     22-FEB-81     1250     500     30
7566     JONES     SENIORMANAGER     7839     02-APR-81     2975          20
7698     BLAKE     SENIORMANAGER     7839     01-MAY-81     2850          30
7782     CLARK     MANAGER          7839     09-JUN-81     2450          10
7788     SCOTT     ANALYST           7566     09-DEC-82     3000          20

Hi,
The answer to "How do I ... using DECODE?", no matter how you fill in the blank, is "Don't use DECODE; use CASE instead." If you have to ask, then it's too complicated to do with DECODE.
Here's one way using CASE:
SELECT       empno, ename
,       CASE
           WHEN job = 'MANAGER'
           AND   sal > 2500
           THEN 'SENIORMANAGER'
           ELSE job
       END     AS d_job
,       mgr, hiredate, sal, comm, deptno
FROM       emp
;If you really, really, really want to use DECODE:
SELECT       empno, ename
,       DECODE ( job
             , 'MANAGER'
           , DECODE ( SIGN (sal - 2500)
                    , 1
                 , 'SENIORMANAGER'
                 , job
           , job
           )     AS d_job
,       mgr, hiredate, sal, comm, deptno
FROM       emp
;Nothing is literally too difficult to do in DECODE. Anything that case be done with CASE can also be done using DECODE, often using several times the amount of code. Bit which would you rther maintain: the CASE soltuion I posted first, of this DECODE soltuion. Which do you think will have more bugs? Which so you think will be faster? If you're using Oracle 8.1 (or higher) then don't use inefficient, high-maintenance code like this. Use CASE instead.
Edited by: Frank Kulash on Dec 26, 2012 3:27 PM
Added DECODE solution

Problem with DECODE statement while migrating forms to 6i

Hi,
I'm migrating a form from 5 to 6i. When I compiled the form, I got this error witha decode statement.
The error is
Error 307 at line 15 column 7
too many declarations of "DECODE" match this call
The trigger has this code:
IF :PRUN_RECS_INSERTED = 'Y' THEN
      RETURN ;
   END IF ;
   INSERT INTO GJBPRUN
    ( GJBPRUN_JOB,
      GJBPRUN_ONE_UP_NO,
      GJBPRUN_NUMBER,
      GJBPRUN_ACTIVITY_DATE,
      GJBPRUN_VALUE )
   SELECT :KEYBLCK_JOB,
          :ONE_UP_NO,
           GJBPDFT_NUMBER,
           SYSDATE,
      DECODE(GJBPDFT_VALUE, 'SYSDATE',
                      DECODE(GJBPDEF_LENGTH,'11',TO_CHAR(SYSDATE,'DD-MON-YYYY'), SYSDATE),
                      GJBPDFT_VALUE)
   FROM   GJBPDFT G, GJBPDEFEdited by: Charan on Mar 16, 2011 9:15 AM

Hi Charan
i think it's all about using both CHARACTER and DATE values at the same time in a DECODE statment u should either use char or date datatype.
DECODE compares expr to each search value one by one. If expr is equal to a search, then Oracle Database returns the corresponding result. If no match is found, then Oracle returns default. If default is omitted, then Oracle returns null.
e.g.
If expr and search are character data, then Oracle compares them using nonpadded comparison semantics.
expr, search, and result can be any of the datatypes CHAR, VARCHAR2, NCHAR, or NVARCHAR2.
The string returned is of VARCHAR2 datatype and is in the same character set as the first result parameter.
for more pls have a look here
Hope this helps,
Regards,
Abdetu...

How to use count with decode

I want to count several categories(say a b c d) under same count and some catogories under another count ..there I need to use count with decode pls let me know the syntacs to write my query..this is ergent
regards
Buddhike

Something like this ?
select count(decode(your_column,'a',1)) as "a",
       count(decode(your_column,'b',1)) as "b",
       count(decode(your_column,'c',1)) as "c",
       count(decode(your_column,'d',1)) as "d"
from your_table;But maybe you can give us more details about what do you expected ?
Nicolas.

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 Cheers, Tom

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