How to fill the new column with values based on the subquery

How can I fill a new column (teamid) with the following query below, at my table dept? I'm empty/null entries in teamid collar when I run the code ff:

ALTER table dept add (teamid varchar2 (15));

Update dept

define the teamid = select upper (substr (deptname, 1, 3)) | Upper (substr (Color, 1, 2)) | rownum

of the Department;

Want to output:

DEPTNAME	COLOR	TEAMID
SALES	ORANGE	SALOR1
ACCOUNTING	BLUE	ACCBL2
BILLING	YELLOW	BILL3

SQL> create table dept as
  2  select 'SALES' deptname, 'ORANGE' color from dual union all
  3  select 'ACCOUNTING' deptname, 'BLUE' color from dual union all
  4  select 'BILLING' deptname, 'YELLOW' color from dual
  5  /
Table created

SQL>
SQL> select * from dept;
DEPTNAME   COLOR
---------- ------
SALES      ORANGE
ACCOUNTING BLUE
BILLING    YELLOW

SQL>
SQL> alter table dept add(teamid varchar2(15));
Table altered

SQL> update dept set teamid = upper(substr(deptname,1,3)) || upper(substr(color,1,2)) || rownum;
3 rows updated

SQL> select * from dept;
DEPTNAME   COLOR  TEAMID
---------- ------ ---------------
SALES      ORANGE SALOR1
ACCOUNTING BLUE   ACCBL2
BILLING    YELLOW BILYE3

SQL> rollback;
Rollback complete

SQL> drop table dept purge;
Table dropped

SQL>

----

Ramin Hashimzade

Tags: Database

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Published by: JAC on May 21, 2013 20:18

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