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How to merge 2 rows from a table to 1 row (2 columns) [message #672244]

Mon, 08 October 2018 04:54

dsslim
Messages: 4
Registered: March 2018

Junior Member

Hi,

I have a table below with 6 rows. And I like the end result to be like this:

ID TYPE PRIORITY
001 Tennis P3-P1
002 Gym P2-P3
003 Soccer P1-P2

May I know how do I achieve this ? TIA !

Source DDL:

CREATE TABLE TAB1
( "ID" VARCHAR2(4 BYTE),
"TYPE" VARCHAR2(7 BYTE),
"PRIORITY" VARCHAR2(10 BYTE)
) ;

Insert into TAB1 (ID,TYPE,PRIORITY) values ('0001',null,'P3-P1');
Insert into TAB1 (ID,TYPE,PRIORITY) values ('0001','Tennis',null);
Insert into TAB1 (ID,TYPE,PRIORITY) values ('0002',null,'P2-P3');
Insert into TAB1 (ID,TYPE,PRIORITY) values ('0002','Gym',null);
Insert into TAB1 (ID,TYPE,PRIORITY) values ('0003','Soccer',null);
Insert into TAB1 (ID,TYPE,PRIORITY) values ('0003',null,'P1-P2');

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Re: How to merge 2 rows from a table to 1 row (2 columns) [message #672245 is a reply to message #672244]

Mon, 08 October 2018 05:51

Michel Cadot
Messages: 68447
Registered: March 2007
Location: Nanterre, France, http://...

Senior Member
Account Moderator

Please read OraFAQ Forum Guide and How to use [code] tags and make your code easier to read.
Also always post your Oracle version, with 4 decimals, as solution depends on it.
In the end, if you want to continue to get help, feedback in your topics.

SQL> select id, max(type) type, max(priority) priority from tab1 group by id;
ID   TYPE    PRIORITY
---- ------- ----------
0001 Tennis  P3-P1
0002 Gym     P2-P3
0003 Soccer  P1-P2

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Re: How to merge 2 rows from a table to 1 row (2 columns) [message #672250 is a reply to message #672245]

Mon, 08 October 2018 20:58

dsslim
Messages: 4
Registered: March 2018

Junior Member

Thanks very much !

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