Logical Operations in SQL decode function ?

Hi,
Is it possible to do Logical Operations in SQL decode function
like
'>'
'<'
'>='
'<='
'<>'
not in
in
not null
is null
eg...
select col1 ,order_by,decode ( col1 , > 10 , 0 , 1)
from tab;
select col1 ,order_by,decode ( col1 , <> 10 , 0 , 1)
from tab;
select col1 ,order_by,decode ( col1 , not in (10,11,12) , 0 , 1)
from tab;
select col1 ,order_by,decode ( col1 ,is null , 0 , 1)
from tab;
Regards,
infan
Edited by: user780731 on Apr 30, 2009 12:07 AM
Edited by: user780731 on Apr 30, 2009 12:07 AM
Edited by: user780731 on Apr 30, 2009 12:08 AM
Edited by: user780731 on Apr 30, 2009 12:08 AM
Edited by: user780731 on Apr 30, 2009 12:09 AM

example:
select col1 ,order_by,case when col1 > 10 then 0 else 1 end
from tab;
select col1 ,order_by,case when col1 <> 10 then 0 else 1 end
from tab;
select col1 ,order_by,case when col1 not in (10,11,12) then 0 else 1 end
from tab;As for testing for null, decode handles that by default anyway so you can have decode or case easily..
select col1 ,order_by,decode (col1, null , 0 , 1)
from tab;
select col1 ,order_by,case when col1 is null then 0 else 1 end
from tab;

Similar Messages

Using Like Operator in a decode function

Hi,
I am trying to find out if I can use the like operator in a decode function
like:
select decode(1234,like '%123%','123 is a match') from dual;
this reults in error ORA-00936: missing expression
is there any way to make this work?
thank you

SQL> ed
Wrote file afiedt.buf
1 WITH tbl AS (SELECT '201aaa' dt FROM DUAL UNION ALL
2               SELECT '123bbb' dt FROM DUAL UNION ALL
3               SELECT '567ccc' dt FROM DUAL UNION ALL
4               SELECT 'ab123ddd' dt FROM DUAL
5               )
6 SELECT dt,CASE WHEN dt like '%123%' THEN 'Match'
7         ELSE 'Not Matched'
8         END With_case
9        ,DECODE(REGEXP_SUBSTR(dt,'123'),NULL,'Not Match','Match')   With_Regexp
10        ,DECODE(INSTR(dt,'123'),0,'Not Match','Match') With_Instr
11        ,DECODE(REPLACE(dt,'123'),dt,'Not Match','Match') With_Replace
12* FROM tbl
SQL> /
DT       WITH_CASE   WITH_REGE WITH_INST WITH_REPL
201aaa   Not Matched Not Match Not Match Not Match
123bbb   Match       Match     Match     Match
567ccc   Not Matched Not Match Not Match Not Match
ab123ddd Match       Match     Match     MatchEdited by: Saubhik on Jul 26, 2010 5:24 AM
Edited by: Saubhik on Jul 26, 2010 5:40 AM
Edited by: Saubhik on Jul 26, 2010 5:40 AM

SQL DECODE function

Oracle version: 9.2.0.1.0
Procob version: 9.2.0.1.0
Cobol version: 3.1.11
O.S. version: Windows XP
We have a pro*cobol file with the next conversion rule into a select defined with a cursor.
NVL(TO_CHAR(A.F_ALTA,'YYYYMMDD'),' '),
NVL(TO_CHAR(A.F_ESTADO,'YYYYMMDD'),' '),
we store the result data through a fetch of the cursor into two variables (W-F-ALTA and W-F-ESTADO) When the program executes an insert of these two values in a target table, we define the next conversion rule:
TO_DATE(DECODE(:W-F-ALTA,' ',NULL,:W-F-ALTA),'YYYYMMDD'),
TO_DATE(DECODE(:W-F-ESTADO,' ',NULL,:W-F-ESTADO),'YYYYMMDD')
Pro*Cobol and Cobol does not have errors when we precompile and compile the program but, when we execute the generated exe file, Oracle displays the next error:
ORA-01841 (full) year must be between -4713 and +9999, and not be 0
We think that the DECODE function is not understood by the cobol or pro*cobol interpreter. If we execute the same code without the DECODE function (only with TO_DATE function) there is no errors in the execution of the program
somebody knows if there are reported problems with this DECODE function in Pro*Cobol or Cobol and how to solve them?
Thanks

TO_DATE(DECODE(:W-F-ALTA,' ',NULL,:W-F-ALTA),'YYYYMMDD'),
TO_DATE(DECODE(:W-F-ESTADO,' ',NULL,:W-F-ESTADO),'YYYYMMDD')The problem is with the input values of :W-F-ALTA and :W-F-ESTADO. Using the first line as an example, what you are saying is if :W-F-ALTA is ' ', substitute it with NULL, any other value should be :W-F-ALTA, then output the TO_DATE value of whatever the result is.
So if the value of :W-F-ALTA is the wrong charater or in the wrong input format, TO_DATE function does not understand it.
See examples of success and failures below with your Bind variables substituted with typical values.
SQL> select TO_DATE(DECODE(' ',' ',NULL,'20060830'),'YYYYMMDD') from dual;
TO_DATE(D
SQL> select TO_DATE(DECODE('1999-01-01',' ','NULL','20060830'),'YYYYMMDD') from dual;
TO_DATE(D
30-AUG-06
SQL> select TO_DATE(DECODE('SHOULD_ERROR',' ','NULL','SHOULD_ERROR'),'YYYYMMDD') from dual;
select TO_DATE(DECODE('SHOULD_ERROR',' ','NULL','SHOULD_ERROR'),'YYYYMMDD') from dual
ERROR at line 1:
ORA-01841: (full) year must be between -4713 and +9999, and not be 0
SQL> select TO_DATE(DECODE('20060830',' ','NULL','20060830'),'YYYYMMDD') from dual;
TO_DATE(D
30-AUG-06
SQL> select TO_DATE(DECODE('12345678',' ','NULL','12345678'),'YYYYMMDD') from dual;
select TO_DATE(DECODE('12345678',' ','NULL','12345678'),'YYYYMMDD') from dual
ERROR at line 1:
ORA-01843: not a valid month
SQL>

Operator in DECODE function in an INSERT statement

Hello guys,
consider I have some table EMP with only one column ID and want to insert new line like this:
DECLARE
x NUMBER := 1;
BEGIN
INSERT INTO EMP2 (ID) VALUES (DECODE((x mod 2),0,0,1));
END;I got and old project, which was running on Oracle 8 and tried to compile it on Oracle 11g.
When trying to run the above statement I always get ORA-00907 - missing right parentheses. To me it seems that it is not allowed to use an operator inside the decode function but I am pretty sure this was working on old Oracle 8.
Does anybody know in which version this stoped to work?
Thanks for help

DECLARE
x NUMBER := 1;
BEGIN
INSERT INTO EMP2 (ID) VALUES (DECODE(mod(x, 2),0,0,1));
END;

Problem using DECODE() function with a Query of Queries

I
posted
on my blog about an issue I was having trying to use the PL/SQL
DECODE() function with a Coldfusion Query of Queries. This function
works fine when you query a database for information. However, when
you query another query, it seems that CF doesn't recognize it. I
got errors stating that it found a left parenthesis where it
expected a FROM key word. Here is a simplified version of what I am
trying to do:
quote:

<cfscript>
qOriginal = queryNew("Name,Email,CountryCode",
"VarChar,VarChar,VarChar");
newRow = queryAddRow(qOriginal, 5);
querySetCell(qOriginal, "Name", "Joe", 1);
querySetCell(qOriginal, "Email", "[email protected]", 1);
querySetCell(qOriginal, "CountryCode", "AMER", 1);
querySetCell(qOriginal, "Name", "Sally", 2);
querySetCell(qOriginal, "Email", "[email protected]", 2);
querySetCell(qOriginal, "CountryCode", "AMER", 2);
querySetCell(qOriginal, "Name", "Bob", 3);
querySetCell(qOriginal, "Email", "[email protected]", 3);
querySetCell(qOriginal, "CountryCode", "ASIA", 3);
querySetCell(qOriginal, "Name", "Mary", 4);
querySetCell(qOriginal, "Email", "[email protected]", 4);
querySetCell(qOriginal, "CountryCode", "EURO", 4);
querySetCell(qOriginal, "Name", "John", 5);
querySetCell(qOriginal, "Email", "[email protected]", 5);
querySetCell(qOriginal, "CountryCode", "EURO", 5);
</cfscript>
<cfquery name="qCountries" dbtype="query">
SELECT DISTINCT(CountryCode) AS CountryCode,
DECODE(states, "AMER", "North America & Canada",
"EURO", "Europe & Africa", "ASIA", "Japan &
Asia","") CountryName
FROM qOriginal
ORDER BY CountryCode
</cfquery>
<cfdump var="#qCountries#">

So running this returned the following error:
Query Of Queries syntax error.
Encountered "(. Incorrect Select Statement, Expecting a
'FROM', but encountered '(' instead, A select statement should have
a 'FROM' construct.
Does anybody know why this doesn't work? Is it just not
supported? Please note that I have also tried to use the CASE()
function instead of DECODE() and that resulted in basically the
same error. For now I an looping over my distinct query with a
switch statement and manually loading a new query with the data how
I want it. But it would be a lot cleaner and less code to have the
DECODE() to work. Thx!

DECODE() is an Oracle function, not generic SQL. Q-of-Q is a
very limited subset of SQL and lacks many functions and clauses
available in standard SQL, especially what you may be used to using
in your particular RDBMS.
See
Query
of Queries user guide
Phil

SQL Expression in decode function or case statement?

Can I put SQL expressions in decode function or case statement?
For example,
select le.profile, decode( select count(1) from profile_data where NAME= 'XXXX_AFTER' and object_id = le.profile, 0, 'N', 'Y')
from element le;
or
select le.profile, case WHEN ( select count(1) from profile_data where NAME= 'XXXX_AFTER' and object_id = le.profile) = 0 THEN 'N'
ELSE 'Y'
from element le;
None of the above work.
Can anyone tell me how to make it work?
Is there any workaround?
Thanks,
J

You simply needed and END to your CASE statement;
SQL> with profile_data as (
   select 'XXXX_AFTER' name, 1 object_id from dual),
     element as (
   select 1 profile from dual union all
   select 2 from dual)
select le.profile,
   case WHEN ( select count(1) from profile_data where NAME= 'XXXX_AFTER' and object_id = le.profile) = 0
   THEN 'N'
   ELSE 'Y'
   END new_col
from element le
   PROFILE N
         1 Y
         2 N

PL/SQL URL decode function

I am looking for a pl/sql url decode function. Does not appear to be in owa_util or htp/htf. Does any one have one please?

You can use the utl_url package that provides public APIs for both encoding and recoding purposes.

SQL*Loader and DECODE function

Hi All,
I am loading data from data files into oracle tables and while loading the data using SQL*Loader, the following requirement needs to be fulfilled.
1) If OQPR < 300, RB = $ 0-299, SC = "SC1"
2) If 300 < OQPR < 1200, RB = $ 300-1199, SC = "SC2"
3) If 1200 < OQPR < 3000, RB = $ 1200-2999, SC = "SC3"
4) If OQPR > 3000 USD, RB = > $3000, SC = "SC4"
Here OPQR is a field in the data file.
Can anyone suggest how do we handle this using DECODE function? Triggers and PL/SQL functions are not to be used.
TIA.
Regards,
Ravi.

The following expression gives you different values for your different intervals and boundaries :
SIGN(:OQPR - 300) + SIGN(:OQPR - 1200) + SIGN(:OQPR - 3000)

SQL Loader : Trim and Decode functions help please

Hi,
I have to load data from a flat file, for some columns i need to use TRIM and DECODE functions.It is a pipe delimited file.
I get syntax errors (one is below) same error listed for TRIM.
SQL*Loader-350: Syntax error at line xx.
Expecting "," or ")", found "DECODE".
===========
,FINAL_BILL_DATE CHAR(30) "TRIM(:FINAL_BILL_DATE)"
,BUSINESS_ID "DECODE(:BUSINESS_ID,'B',1,'C',2,'E',3,'G',4,'O',5,'R',6,'T',7,'U',8,'H',9,-1)"
Can anyone please help.
Thanks
Cherrish

Hello Cherrish.
The error you are receiving leads me to believe that at some point prior to the DECODE on the line for BUSINESS_ID, probably some line even before the FINAL_BILL_DATE line, there a syntactical error causing the quotes before the DECODE to actually terminate some other syntax. Without all of the lines that could actually contribute to this, including the header details, this is the best I can advise.
Hope this helps,
Luke
Please mark the answer as helpful or answered if it is so. If not, provide additional details.
Always try to provide create table and insert table statements to help the forum members help you better.

How to use Decode Function in Webi / Designer - BOE XI 3.1

Hi All,
I have a SQL query which needs to include in the webi report.
Below is the query :
SELECT
SECURITY.SEC_CUSIP_NO "CUSIP",
SECURITY.STY_SEC_TY_CD "SECURITY TYPE",
SECURITY.SEC_DERIVED_DESC_TX "SECURITY DESCRIPTION",
SECURITY.sec_dep_teleg_de "FED DESCRIPTION",
SEC_STND_PR "STANDARD/FACTORED PRICE",
SEC_STND_PR_EFF_DT "STANDARD/FACTORED PRICE Date",
SECURITY.SEC_YIELD_PR "YIELD PRICE",
SECURITY.SEC_YIELD_PR_DT "YIELD RICE EFFECTIVE DATE",
STND_PR_VND_VENDOR_CD "PRICE SOURCE",
SEC_MATURITY_DT "MATURITY DATE",
SEC_ISSUE_DT "ISSUE DATE",
             CASE WHEN SECURITY.STY_SEC_TY_CD IN ('BA','CD','CDD','CDE','CDM','CDV','CP','CPD') THEN
                (position.PSN_AVAIL_PAR_VL + position.PSN_COLLAT_PAR_VL) * (SECURITY.SEC_STND_PR) / 100
             ELSE
                (position.PSN_AVAIL_PAR_VL + position.PSN_COLLAT_PAR_VL) * ( ( SECURITY.SEC_YIELD_PR * DECODE (SECURITY.SEC_PRIN_FT, 0, 1, SECURITY.SEC_PRIN_FT))) / 100
                * DECODE(SECURITY.STY_SEC_TY_CD, 'AMP', DECODE(NVL(SECURITY.SEC_MULTIPLIER_UNIT_VL,0), 0, 1, SECURITY.SEC_MULTIPLIER_UNIT_VL), 'MMP', DECODE(NVL(SECURITY.SEC_MULTIPLIER_UNIT_VL,0), 0, 1, SECURITY.SEC_MULTIPLIER_UNIT_VL), 'AMPT', DECODE(NVL(SECURITY.SEC_MULTIPLIER_UNIT_VL,0), 0, 1, SECURITY.SEC_MULTIPLIER_UNIT_VL), 1 )
             END
        ) "MARKET VALUE"
FROM SECURITY SECURITY
   ,   position position
WHERE STND_PR_VND_VENDOR_CD = 'VT'
AND SEC_MATURITY_DT > SYSDATE-1
and SECURITY.sec_sys_id=position.sec_sys_id
I could create a report which has selected objects and defined where condition from the above query. I have also created a variable for 'when' & 'then' condition but stuck at else part which contains 'DECODE' function.
Please suggestions how to write the same at the report or designer level.
Thanks,
Rameez Shaikh

Hi Rameez,
Looking at the query you can create the object directly in the universe, either create two objects one for inner decode and use it in outer case logic. In report it is nothing but nested if logic. For eg. If(a=b;1;(if(a=c;2;3))
Thanks
Gaurav

Prob in decode function

hi iam having prob with the following decode function
declare
c varchar2(20);
begin
select decode(deptno,
     10, 'accounting',
     20,'Research',
     30 ,'sales',
     40,'operations','UNKNOWN') into c from dept where loc='DALLAS';
dbms_output.put_line('DEPARTMENT in DALLAS'||c);
select decode(deptno,
     10, 'accounting',
     20,'Research',
     30 ,'sales',
     40,'operations','UNKNOWN') into c from dept where loc='INDIA';
dbms_output.put_line('DEPARTMENT IN INDIA'||c);
end;
iam getting no_data_found exception which is reasonable..but what happened to 'unknown' clause in decode function.
thank u
rajiv

DECODE only works on rows returned from the database. If there are no rows, DECODE has nothing to work on.
Consider:
SQL> SELECT DECODE(dummy, 'X', 'Found a row', 'No row')
2 FROM dual;
DECODE(DUMM
Found a row
SQL> SELECT DECODE(dummy, 'X', 'Found a row', 'No row')
2 FROM dual
3 WHERE 1=2;
no rows selectedIf you want to have c contain UNKNOWN when there are no rows returned, you need to do something more like:
DECLARE
c VARCHAR2(20);
BEGIN
   BEGIN
      SELECT DECODE(deptno, 10, 'accounting',
                            20,'Research',
                            30 ,'sales',
                            40,'operations','UNKNOWN')
      INTO c
      FROM dept
      WHERE loc='DALLAS';
   EXCEPTION
      c := 'UNKNOWN';
   END;
   DBMS_OUTPUT.Put_Line('DEPARTMENT in DALLAS'||c);
   BEGIN
      SELECT DECODE(deptno, 10, 'accounting',
                            20,'Research',
                            30 ,'sales',
                            40,'operations','UNKNOWN')
      INTO c
      FROM dept
      WHERE loc='INDIA';
   EXCEPTION
      c := 'UNKNOWN';
   END;
   DBMS_OUTPUT.Put_Line('DEPARTMENT IN INDIA'||c);
END;HTH
John

Decode function in Update statement

Hello everyone,
I'm trying to write a query where I can update a pastdue_fees column in a book_trans table based on a difference between return_dte and due_dte columns.
I am using Oracle SQL. This is what I have so far for my decode function:
SQL> SELECT
2 DECODE(SIGN((return_dte - due_dte)*2),
3 '-1', '0',
4 '1', '12', 'Null')
5 FROM book_trans;
DECO
Null
12
Null
0
So the logic is that if the sign is -1, the value in return_dte column should be 0; if it's +1 then it's 12 and everything else is Null.
So now, I need to enter my decode function into the update statement to update the columns. However, I get error messages.
The logic should be:
UPDATE book_trans SET PastDue_fees = decode(expression)
I've given it a couple of different tries with the following results:
SQL> UPDATE book_trans
2 SET pastdue_fees = SELECT
3 DECODE(SIGN((return_dte - due_dte)*2),
4 '-1', '0',
5 '1', '12', 'Null')
6 FROM book_trans;
SET pastdue_fees = SELECT
ERROR at line 2:
ORA-00936: missing expression
SQL> UPDATE book_trans
2 SET pastdue_fees =
3 DECODE(SIGN((return_dte - due_dte)*2),
4 '-1', '0',
5 '1', '12', 'Null')
6 FROM book_trans;
FROM book_trans
ERROR at line 6:
ORA-00933: SQL command not properly ended
Any help or tips would be greatly appreciated as I've been taking SQL for about six weeks and not very proficient!
Thanks!

882300 wrote:
Hello everyone,
I'm trying to write a query where I can update a pastdue_fees column in a book_trans table based on a difference between return_dte and due_dte columns.
I am using Oracle SQL. This is what I have so far for my decode function:
SQL> SELECT
2 DECODE(SIGN((return_dte - due_dte)*2),
3 '-1', '0',
4 '1', '12', 'Null')
5 FROM book_trans;
DECO
Null
12
Null
0
So the logic is that if the sign is -1, the value in return_dte column should be 0; if it's +1 then it's 12 and everything else is Null.
So now, I need to enter my decode function into the update statement to update the columns. However, I get error messages.
The logic should be:
UPDATE book_trans SET PastDue_fees = decode(expression)
I've given it a couple of different tries with the following results:
SQL> UPDATE book_trans
2 SET pastdue_fees = SELECT
3 DECODE(SIGN((return_dte - due_dte)*2),
4 '-1', '0',
5 '1', '12', 'Null')
6 FROM book_trans;
SET pastdue_fees = SELECT
ERROR at line 2:
ORA-00936: missing expression
SQL> UPDATE book_trans
2 SET pastdue_fees =
3 DECODE(SIGN((return_dte - due_dte)*2),
4 '-1', '0',
5 '1', '12', 'Null')
6 FROM book_trans;
FROM book_trans
ERROR at line 6:
ORA-00933: SQL command not properly ended
Any help or tips would be greatly appreciated as I've been taking SQL for about six weeks and not very proficient!
Thanks!If you really really really want to update the entire table, the syntax would be...
UPDATE book_trans
SET
pastdue_fees = DECODE(SIGN((return_dte - due_dte)*2), -1, 0, 1, 12, Null);I took out all the single quotes. If you actually have a string column and you're storing entirely numbers in it then it should be declared as a NUMBER column and not a character (varchar2) column.
ALWAYS use the proper data type, it'll save you a ton of headaches in the future.
Also, since you're new to the forum, please read the FAQ so you learn the etiquette and what not.
http://wikis.sun.com/display/Forums/Forums+FAQ

How to use DECODE function in Exspression?

Hi,
Can we use DECODE in Expression?
I'm trying to use DECODE function but there is an error during the validation. But when i validate the mapping, it is successfully compiled but it is failed during deployment.
But if I use CASE instead of DECODE, it works fine.
Can we use DECODE in OWB???
Thanks
Raj

Hi,
In OWB 10gR2, if your are using only one DECODE in an expression, it's working. The package will compile when deploying the mapping. OWB will replace the DECODE by a CASE.
But when you are using nested decode in an expression ( for example : decode(col1, 1, 'M', decode(col2, 'Madame', 'Mme', null)) ) only the first one is replaced by a case at deployment.
In ROW_BASED mode, text of the expression is used outside of an sql statement and deployment will fails with "PLS-00204: function or pseudo-column 'DECODE' may be used inside a SQL statement only."
If operating mode for the mapping is set to SET_BASED, it's working because the expression is used in an sql statement.
I have logged a SR in metalink for this issue and a bug is opened (bug 5414112).
But I agree with you, it's better to use case statement.
Bernard

Logical operations on different systemgroups

Hi,
I want to define several systemgroups in the transaction RZ21 on a central monitoring system. Afterwards I want to make logical operations on these groups (like: group1 and group2) in the monitor definition. Is this possible and in what way? I hadn't found hints on sap-notes.
Greetings
Christian Wosgien

> I think you mixed up bit and binary datatype.
> Binary datatype is normally used for images, text, storing a pdf in your db, etc
I'm aware that's what they're usually used for (although I have thought varbinary would have been better)
but I need to store lots of bit fields and was hoping I could use a binary datatype, rather than have status1, status2, status3, etc
> If you want 1 column to store multiple values using bitmasks, than you can use an integer to do that.
> e.g. see examples in system tables like sysdatabases..status (small int) and sysdatabases..status4 (int)
That's what we're using at the moment - if fact we're now using unisgned bigint - that gives 64 bits.
The fact that sys* tables have multiple status fields shows it would be useful here.
> Sybooks: The bitwise operators are a Transact-SQL extension for use with integer type data.
> So it looks like you've got to use multiple columns to achieve wat you want.
Yep - that's exactly what we've found.
It seems unfortunate to not allow bitwise operations on binary datatypes. Its not a common use of them I know
but I've worked at couple of places which would have benefited from this.
We've spent some time writing our own functions that implement bitwise operations on binary fields, but would have been better if these were build in.
> Why would you want to store 200 bitfields in 1 column?
For a similar reason as the sys* tables have multiple status columns - If binary columns allowed bitwise operations - they'd only need 1 status field.

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}

Logical Operations in SQL decode function ?

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