Using Substr and Instr together

Hi All,
I have a string like 'Employee_id,employee_name,employee_ssn,employee_ps'
I would like to extract all the four columns individually in a single statement.
For ex:
select SUBSTR('Employee_id,employee_name,employee_ssn,employee_ps',1,
INSTR('Employee_id,employee_name,employee_ssn,employee_ps',',',1,1)-1) from dual;
this gives me Employee_id. The same way how do i get the other coulmn names by comma position.
Pls help me out.
Please note that the column names have to be extracted depending on the comma position.
Thanks.

You can use regular expressions if you're running an Oracle version that's 10g or more recent, to make it very simple:
Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.1.0
Connected as FSITJA
SQL>
SQL> select regexp_substr('Employee_id,employee_name,employee_ssn,employee_ps', '[^,]+', 1, 1) col_1,
2         regexp_substr('Employee_id,employee_name,employee_ssn,employee_ps', '[^,]+', 1, 2) col_2,
3         regexp_substr('Employee_id,employee_name,employee_ssn,employee_ps', '[^,]+', 1, 3) col_3,
4         regexp_substr('Employee_id,employee_name,employee_ssn,employee_ps', '[^,]+', 1, 4) col_4
5    from dual;
COL_1       COL_2         COL_3        COL_4
Employee_id employee_name employee_ssn employee_ps
SQL>

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How to Split the string using Substr and instr using loop condition

Hi every body,
I have below requirement.
I need to split the string and append with single quotes('') followed by , (comma) and reassign entire values into another variable. so that i can use it where clause of update statement
for example I am reciveing value as follows
ALN varchar2(2000):=(12ERE-3MT-4Y,4IT-5O-SD,OP-K5-456,P04-SFS9-098,90P-SSF-334,3434-KJ4-O28,AS3-SFS0-J33,989-3KL-3434);
Note: In the above variable i see 8 transactions, where as in real scenario i donot how many transaction i may recive.
after modification i need above transactions should in below format
ALTR Varchar2(2000):=('12ERE-3MT-4Y','4IT-5O-SD','OP-K5-456','P04-SFS9-098','90P-SSF-334','3434-KJ4-O28','AS3-SFS0-J33','989-3KL-3434');
kindly help how to use substr and instr in normal loop or for loop or while loop while modifying the above transactions.
Please help me to sort out this issue.
Many Thanks.
Edited by: user627525 on Dec 15, 2011 11:49 AM

Try this - may not be the best way but...:
create or replace type myTableType as table of varchar2(255)
declare
v_array mytabletype;
v_new_str varchar2(4000);
function str2tbl
         (p_str   in varchar2,
          p_delim in varchar2 default '.')
         return      myTableType
    as
        l_str        long default p_str || p_delim;
         l_n        number;
         l_data     myTableType := myTabletype();
    begin
        loop
            l_n := instr( l_str, p_delim );
            exit when (nvl(l_n,0) = 0);
            l_data.extend;
            l_data( l_data.count ) := ltrim(rtrim(substr(l_str,1,l_n-1)));
            l_str := substr( l_str, l_n+length(p_delim) );
        end loop;
        return l_data;
   end;
begin
v_array := str2tbl ('12ERE-3MT-4Y,4IT-5O-SD,OP-K5-456,P04-SFS9-098,90P-SSF-334,3434-KJ4-O28,AS3-SFS0-J33,989-3KL-3434', ',');
      FOR i IN 1 .. v_array.COUNT LOOP
         v_new_str := v_new_str || ''''||v_array(i)||'''' || ',';
      END LOOP;
   dbms_output.put_line(RTRIM(v_new_str, ','));
end;
OUTPUT:
=======
'12ERE-3MT-4Y','4IT-5O-SD','OP-K5-456','P04-SFS9-098','90P-SSF-334','3434-KJ4-O28','AS3-SFS0-J33','989-3KL-3434'HTH
Edited by: user130038 on Dec 15, 2011 12:11 PM

Substri and instr problem --Please help

Hi ,
I would like to get the find tablename starts with 'EXP' using substring and instring . I am using oracle 9i. Please help me out
Example : 'Schema.explogtable'
I will use table name ' EXP' in one of my procedure as input parameter to procedure
If tablename= substr('schema.explogtable','instr('schema.explog','.',1,3) then
Execute Procedure1('tablename')
Else
Execute procedure2('tablename')
I would appreciate your help
Regards,
Clarkc

ClarkC,
Here just replace procedure1 and procedure2 with your procedure names;
create table temp_table
( table_name varchar2(30)
insert into temp_table values ('TESTME.MY_OBJECTS');
insert into temp_table values ('TESTME.OBJECTS');
insert into temp_table values ('ABC.ECFOBJECTLOG');
insert into temp_table values ('XYZ.BDEOBJECTTABLE');
insert into temp_table values ('ABC.ABCTABLE');
insert into temp_table values ('ZYD.CLIENTTABLE');
insert into temp_table values ('NMS.CLIENTLOGTABLE');
COMMIT;
pl/sql anonymous blocks I defined 2 variables for readibility and understanding
DECLARE
   CURSOR tcur
   IS
      SELECT table_name
      FROM temp_table;
   table_name   VARCHAR2 (40);
   my_table     VARCHAR2 (40);
BEGIN
   FOR cur IN tcur
   LOOP
      my_table     := NULL;
      my_table     := cur.table_name;
      table_name   := SUBSTR (my_table, INSTR (my_table, '.') + 1);
      IF (table_name LIKE ('%OBJ%'))
      THEN
         DBMS_OUTPUT.put_line ('table_name containing OBJ=' || table_name);
         -- NOTE : CALL YOUR PROCEDURE1 HERE for tables containing OBJ;
        procedure1(table_name);
      ELSE
         DBMS_OUTPUT.put_line('table_name not containing OBJ=' || table_name);
           -- NOTE : CALL YOUR PROCEDURE2 HERE for tables not containing OBJ;
        procedure2(table_name);
      END IF;
   END LOOP;
EXCEPTION
   WHEN OTHERS
   THEN
      DBMS_OUTPUT.put_line (SUBSTR (SQLERRM, 1, 300));
      RAISE;
END;
Here is the output of the above block
table_name containing OBJ=MY_OBJECTS
table_name containing OBJ=OBJECTS
table_name containing OBJ=ECFOBJECTLOG
table_name containing OBJ=BDEOBJECTTABLE
table_name not containing OBJ=ABCTABLE
table_name not containing OBJ=CLIENTTABLE
table_name not containing OBJ=CLIENTLOGTABLEHope this helps
Regards
Edited by: OrionNet on Jan 17, 2009 11:48 AM

SUBSTR and INSTR function

Hi Gurus,
I have the data as follows:
data
'BIDIE01H/TXT:ZUNE=HA011, CellIndex=144 /CAI:452-01-32201-47001/CAI:45201F7dc9b79a'
'BIDIE01H/TXT:ZUNE=HA111, CellIndex=124 /CAI:452-01-32201-471/CAI:45201F7dc9b79b'
and I am trying to write a SQL to get the results:
CAI
452-01-32201-47001
452-01-32201-471
Any idea to get it done? I did try around with SUBSTR and INSTR functions but not yet sucessed.
Thanks,
Alex

select substr (str, instr (str, '/CAI:') + 5
              , (instr (str, '/CAI:', -1) - instr (str, '/CAI:'))-5
from dataas in
SQL> with data
2 as
3 (select 'BIDIE01H/TXT:ZUNE=HA011, CellIndex=144 /CAI:452-01-32201-47001/CAI:45201F7dc9b79a' str from dual union all
4 select 'BIDIE01H/TXT:ZUNE=HA111, CellIndex=124 /CAI:452-01-32201-471/CAI:45201F7dc9b79b' from dual
5 )
6 select substr (str, instr (str, '/CAI:') + 5
7                , (instr (str, '/CAI:', -1) - instr (str, '/CAI:'))-5
8                )
9    from data
10 /
SUBSTR(STR,INSTR(STR,'/CAI:')+5,(INSTR(STR,'/CAI:',-1)-INSTR(STR,'/CAI:'))-5)
452-01-32201-47001
452-01-32201-471

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hi
I am using the query below and I am getting 'missing expression' error. How do use Distinct and concat together?
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FROM TABLE;

Hi,
SeshuGiri wrote:
hi
I am using the query below and I am getting 'missing expression' error. How do use Distinct and concat together?
SELECT 'SELECT ' || DISTINCT COLUMN || ' FROM DUAL UNION ALL '
FROM TABLE;Whenever you have a problem, please post CREATE TABLE and INSERT statments for a little sample data, and the results you want from that data.
The example you posted has so many mistakes, it's hard to know what you're trying to do.
COLUMN, DISTINCT and TABLE are all Oracle keywords, and shouldn't be used for actual columnor table names, and using them for aliases is just asking for trouble.
When using SELECT DISTINCT, the keyword DISTINCT must come immediately after SELECT.
If you want to assign an alias to a column, it must be at the very end of the expression that defines the column. You can't assign an alias to part of an expression. If you want to do that, use a sub-query.
Here's a query that uses both SELECT DISTINCT and ||:
SELECT DISTINCT
job || deptno AS jd
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Having read Christopher Breen's solution to using Airport and Ethernet together,
http://www.macworld.com/weblogs/mac911/2006/10/airportswitch/index.php
I am still wondering if this can apply to my situation. I have an Airport Exteme BS distributing the wireless signal on it's own node. Nothing is physically connected to the BS except an ethernet cable running to a hub which is connected to the cable modem. While my ISP service isn't supplying service faster than Airport will manage, no problem...but, I would like to have the advantage ethernet networking between my machines for all the advantages that ethernet speed can bring to that situation.
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Using SUBSTRING and CHARINDEX

I have these values in a column:
\mssql$scdb:access methods
\mssql$scdb:buffer manager
\mssql$scdb:general statistics
\mssql$scdb:locks(_total)
\mssql$scdb:memory manager
\mssql$scdb:sql statistics
\sqlserver:access methods
\sqlserver:buffer manager
\sqlserver:general statistics
\sqlserver:locks(_total)
\sqlserver:memory manager
\sqlserver:sql statistics
I want to write code to seperate into two columns, eliminating the \ and the :.
mssql$scdb                                        access methods
mssql$scdb                                        buffer manager
mssql$scdb                                        general statistics
mssql$scdb                                        locks(_total)
mssql$scdb                                        memory manager
mssql$scdb                                        sql statistics
sqlserver
access methods
sqlserver
buffer manager
sqlserver                                            general
statistics
sqlserver                                            locks(_total)
sqlserver
memory manager
sqlserver                                            sql
statistics
I have tried to use substring and charindex and I cannot seem to get it to work.
Could someone please help?
lcerni

Hi,
Try this.
DECLARE @Tbl TABLE(Value VARCHAR(150))
INSERT INTO @Tbl(Value)
VALUES('\mssql$scdb:access methods'),
('\mssql$scdb:buffer manager'),
('\mssql$scdb:general statistics'),
('\mssql$scdb:locks(_total)'),
('\mssql$scdb:memory manager'),
('\mssql$scdb:sql statistics'),
('\sqlserver:access methods'),
('\sqlserver:buffer manager'),
('\sqlserver:general statistics'),
('\sqlserver:locks(_total)'),
('\sqlserver:memory manager'),
('\sqlserver:sql statistics')
SELECT REPLACE(SUBSTRING(Value, 0,CHARINDEX(':',Value)),'\','') Column1,
SUBSTRING(Value, CHARINDEX(':',Value)+1, LEN(Value)) Column2
FROM @Tbl
- Pls mark as answer/vote, if this post is helpful.
Sugumar Pannerselvam

Using multiple xdofx commands together. For eg: substr and instr

Hi,
I am working in developing an RTF where a situation is to use xdofx:sustr and xdofx:instr together.
I tried but its not working properly.
Is there any special commands to use in such a scenario.
Thanks,
Anand

plz post what are you doing
works for me
as example
<?xdofx:substr(substr(COLOR,5),instr(substr(COLOR,5),’;’)+1)?>for
<ROWSET>
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SUBSTR and INSTR query

Hello all,
I need help in simple query how can show only MCCODE
SELECT SUBSTR('VMTOPIC=MCCODE', INSTR('VMTOPIC=MCODE', 'VMTOPIC=')+8,20) AS output FROM DUAL;But also when i used
SELECT SUBSTR('VMTOPIC=MCCODE', INSTR('VMTOPIC=MCODE', 'HHH')+8,20) AS output FROM DUAL;show same results, what i need only if words begin with " VMTOPIC= " retrived characters after "VMTOPIC=".
regards
Dheya

Hi, Dheya,
Here's one way:
SELECT SUBSTR ( str
            , INSTR ( str || 'VMTOPIC='
                        , 'VMTOPIC='
                 ) + 8
            , 20    -- or omit this argument
            )       AS output
FROM    table_x
;where tabe_x.str is the string you need to test.
You could also do this with REGEXP_SUBSTR or REGEXP_REPLACE, but you can do this easily enough without any slow regular expressions.
973907 wrote:
... But also when i used
SELECT SUBSTR('VMTOPIC=MCCODE', INSTR('VMTOPIC=MCODE', 'HHH')+8,20) AS output FROM DUAL;show same results, what i need only if words begin with " VMTOPIC= " retrived characters after "VMTOPIC=".That's because 'HHH' wasn't found, and so INSTR returned 0. SUBSTR treats 0 like 1 in its 2nd argument, so, using that expresssion, not fnding the string is te same as finding it at position 1.
Of couse, looking for 'HHH' in a string that cotains 'VMTOPIC=' isn't the problem here; the real problem is looking for 'VMTOPIC=' in a string that doesn't contain it.
Making a special case when INSTR returns 0, as Solomon suggested, is one way to get around the problem. Another is what I posted above, which guarantees that INSTR will never return 0. If the 'VMTOPIC=' is not found in str, then lookng for it in str || 'VMTOPIC=' will cause INSTR to return a very high number; so high that SUBSTR will then return NULL.
I hope this answers your question.
If not, post CREATE TABLE and INSERT statements for a little sample data (maybe 5 rows), and the results you want from that data.
Point out where the query above is producing the wrong results, and explain, using specific examples, how you get those results from the sample data in those places.
Always say what version of Oracle you're using (e.g. 11.2.0.2.0).
See the forum FAQ {message:id=9360002}

Substr and instr for variables assginement in a csv file

Hi gurus
Belows is my input csv file like with no fixedl enght
vinput_file:
WESTERN SAHARA,Moroccan Dirham,MAD,504,2,
YEMEN,Yemeni Rial,YER,886,2,
ZAMBIA,Zambian Kwacha,ZMW,967,2,
ZIMBABWE,Zimbabwe Dollar,ZWL,932,2,
and i want to assign 3 letter alphabetical to DESC and the 3 digit numerical to CODE
CODE := SUBSTR(vinput_rec,1,INSTR(vinput_file,',',1,1)-1);
DESC := SUBSTR(vinput_rec, INSTR(vinput_file,',',1,1)+1);
can anyone help me please with the above kindly

Hi,
Sorry, it's not clear what you want.
975482 wrote:
Hi gurus
Belows is my input csv file like with no fixedl enghtIf you read the file as an external table, each comma-delimited substring will be a column. It should be easy to use SUBSTR on those columns
vinput_file:
WESTERN SAHARA,Moroccan Dirham,MAD,504,2,
YEMEN,Yemeni Rial,YER,886,2,
ZAMBIA,Zambian Kwacha,ZMW,967,2,
ZIMBABWE,Zimbabwe Dollar,ZWL,932,2,
and i want to assign 3 letter alphabetical to DESC and the 3 digit numerical to CODE
CODE := SUBSTR(vinput_rec,1,INSTR(vinput_file,',',1,1)-1);
DESC := SUBSTR(vinput_rec, INSTR(vinput_file,',',1,1)+1);
can anyone help me please with the above kindlyIf str is a comma-delimited string, and you want to the first 3 characters after the N-th comma, then you can use
SUBSTR ( str
       , 1 + INSTR (str, ',', 1, n)
       , 3
       )Do you need to worry about not having 3 characters between the N-th comma and the next one? What if there are fewer than N commas?
I hope this answers your question.
If no, what is your question?
Does it involve reading a csv file that is not already in a table? Post a small sample file.
Does your qestion involve parsing strings that are already in a table? Post CREATE TABLE and INSERT statements.
In any case, post the exact results you want from the given data.
See the forum FAQ {message"id=9360002}

Substring and instring

Dear all,
I am very new to oracle. I am learning oracle now. I have small doubt could any one can help me.
I have a string like 'robert alias: 09-047 position now:     CLARK'
now i need to store the word
'09-047' in to a variable x
and clark in to a variable y
i.e in X i have to store from the word 'robert alias:' till before the word 'position now:' then my out put is ' 09-047 '.
for this i tried as below
select trim(substr('robert alias: 09-047 position now:     CLARK',
instr('robert alias: 09-047 position now:     CLARK',':',1)+1)) from dual;
I am getting the o/p as '09-047 position now::     CLARK'
But i have to get '09-047' only. For that i need to give the 3rd parameter i.e length of the string.
In my substring i used only 2parameter i.e string and position now i have to give the length.
Could you please help me.
Thanks & Regards
Dilip

test@ORA10G>
test@ORA10G> with t as (
2    select 'robert alias: 09-047 position now: CLARK' x from dual)
3 --
4 select x,
5         substr(x,instr(x,':',1,1)+2,instr(x,' position now')-instr(x,':',1,1)-2) y,
6         substr(x,instr(x,':',1,2)+2) z
7    from t;
X                                             Y          Z
robert alias: 09-047 position now: CLARK      09-047     CLARK
test@ORA10G>
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Hi
Has anybody experience with using JSF together with J2SE 1.5? Especially generics? I would like to use generics and other improvements from J2SE in the model objects.
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