Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

NESTED LTRIM STRING

Posted on 2008-10-19
14
Medium Priority
?
594 Views
Last Modified: 2013-12-19
Hi,

This is what I got for LTRIM(str,trimlist).

I started to do nested:
SELECT ename,CONCAT(empno,mgr)
FROM emp
WHERE LTRIM(ename,'K%','M%');

Not working, I tried:

SELECT ename,CONCAT(mgr,empno)
FROM emp
WHERE LTRIM(ename) LIKE 'K%';

It is correct but I want it nested as above.

Please advise any solutions?
0
Comment
Question by:suredazzle
  • 7
  • 4
  • 3
14 Comments
 
LVL 12

Expert Comment

by:Missus Miss_Sellaneus
ID: 22753740
SELECT ename,CONCAT(mgr,empno)
FROM emp
WHERE LEFT(ename,1) IN ('K','M');
0
 
LVL 12

Expert Comment

by:Missus Miss_Sellaneus
ID: 22753751
SELECT ename,CONCAT(mgr,empno)
FROM emp
WHERE LEFT(ename,1) IN ('K','M');
0
 
LVL 12

Expert Comment

by:Missus Miss_Sellaneus
ID: 22753758
Sorry about the double post.. I had to reload the page, and that's what happened.. This should give the right results:

SELECT ename,CONCAT(mgr,empno)
FROM emp
WHERE SUBSTR(ename,1,1) IN ('K','M');
0
Fill in the form and get your FREE NFR key NOW!

Veeam is happy to provide a FREE NFR server license to certified engineers, trainers, and bloggers.  It allows for the non‑production use of Veeam Agent for Microsoft Windows. This license is valid for five workstations and two servers.

 
LVL 12

Expert Comment

by:Missus Miss_Sellaneus
ID: 22753761
LEFT isn't in Oracle, sorry!
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22753833
Thanks Miss Sellaneus! SUBSTR(string, strart, end).

Another example from net:
TRIM('S" FROM 'SSMITH').

0
 
LVL 32

Expert Comment

by:awking00
ID: 22757978
substr syntax is substr(string, start, length) => not end
Also, Miss Sellaneus' query doesn't work if emp begins with leading blanks. Modify it to
where substr(ltrim(emp),1,1) in ('K','M')
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22760320
Hi Awking00,

Thanks Awking00!     SUBSTR(job, 1,5) = 'SALES'

How about one quick question, Replace ?

I added MGR_Name column.

ALTER TABLE EMP ADD MGR_NAME CHAR(13);
It's null.

REPLACE(string,target,replacement)

MGR is also, an empno 2345 and etc.

So, I tried this:
REPLACE(mgr, ename, mgr_name)

What solution is for it, Awking00?
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22760360
Sorry, AND is before REPLACE.
0
 
LVL 32

Expert Comment

by:awking00
ID: 22760380
Not sure what you're looking to do. What is the structure of the emp table (i.e. what attributes and datatypes) and what do you want the values of the newly added mgr_name to be (and where do they come from)?
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22760417
Hold on to last part. Let me play it more...
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22760817
HI Awking00,

I want MGR_NAME column to be the values, name of manager.

Better way than enter manually:

INSERT INTO EMP VALUES(.......)
================================================

Mapping MGR_NAME to MGR to EMPNO to ENAME. How about using REPLACE?

Name                                 Null?    Type
 ----------------------------------------- -------- ----------------------------
 EMPNO                                 NOT NULL NUMBER(4)
 ENAME                                        CHAR(10)
 JOB                                        CHAR(9)
 MGR                                        NUMBER(4)
 HIREDATE                                  DATE
 SAL                                        NUMBER(7,2)
 COMM                                        NUMBER(7,2)
 DEPTNO                            NOT NULL NUMBER(2)
 MGR_NAME                                  CHAR(10)

Hope it make sense! Please provide feedback.
     
0
 
LVL 32

Accepted Solution

by:
awking00 earned 2000 total points
ID: 22760890
I think the attached should work.
updt-mgr-name.txt
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22761526
HI Awking00,

This way works too.

 Faster with less typing. I will also check your solution.

UPDATE emp
SET MGR_NAME = 'KING'
WHERE EMPNO = 7839

Thanks for everything, Awking00!
0
 
LVL 1

Author Comment

by:suredazzle
ID: 22762075
Sorry, it should be:

UPDATE emp
SET MGR_NAME = 'CLARK'
WHERE MGR = 7698;    >> not EMPNO

     EMPNO ENAME           MGR MGR_NAME
---------- ---------- ---------- ----------
      7654 MARTIN          7698 CLARK
      7499 ALLEN          7698 CLARK
      7844 TURNER          7698 CLARK
      7900 JAMES          7698 CLARK
      7521 WARD           7698 CLARK
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Truncate is a DDL Command where as Delete is a DML Command. Both will delete data from table, but what is the difference between these below statements truncate table <table_name> ?? delete from <table_name> ?? The first command cannot be …
When it comes to protecting Oracle Database servers and systems, there are a ton of myths out there. Here are the most common.
This video explains at a high level with the mandatory Oracle Memory processes are as well as touching on some of the more common optional ones.
Via a live example, show how to take different types of Oracle backups using RMAN.
Suggested Courses

927 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question