Update set with inner join oracle

UPDATE 
(SELECT table1.value as OLD, table2.CODE as NEW
 FROM table1
 INNER JOIN table2
 ON table1.value = table2.DESC
 WHERE table1.UPDATETYPE='blah'
) t
SET t.OLD = t.NEW

or

UPDATE table1 SET table1.value = (SELECT table2.CODE
                                  FROM table2 
                                  WHERE table1.value = table2.DESC)
WHERE table1.UPDATETYPE='blah'
AND EXISTS (SELECT table2.CODE
            FROM table2 
            WHERE table1.value = table2.DESC);

Source: stackoverflow.com

Similar codes

0 vote184 views1 answer
Could not assemble any primary key columns for mapped table sqlalchemy
SQL
3 votes168 views1 answer
Start mysql server linux terminal
SQL
6 votes186 views1 answer
Postgres get size of database
SQL
0 vote233 views1 answer
Check the size of the tables here ordered from the biggest size
SQL
0 vote186 views1 answer
Get who is hired in january in sql
SQL
0 vote254 views1 answer
Mysql multiple group by
SQL
1 vote184 views1 answer
Postgresql delete cascade
SQL
0 vote180 views1 answer
Allow external access to mysql
SQL
0 vote170 views1 answer
Show specific events on mysql
SQL
0 vote183 views2 answers
Plan d'exécution requete oracle autotracer
SQL