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

2 votes306 views2 answers
Change varchar length mysql
SQL
0 vote254 views1 answer
Check if due date is less than todays date sql
SQL
0 vote299 views1 answer
Plpgsql coalesce equivalent for empty string
SQL
1 vote314 views1 answer
Pl sql insert into table
SQL
0 vote346 views1 answer
Delete from table where length sql
SQL
0 vote324 views1 answer
Generate random & unique mysql string
SQL
0 vote316 views1 answer
Mysql exception output
SQL
-1 vote388 views1 answer
Sql vs nosql or mysql vs mongodb
SQL
0 vote289 views2 answers
Mysql get routine parameter list
SQL
0 vote323 views1 answer
Csv to sqlite python
SQL