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 vote220 views1 answer
Sql server manager close connection
SQL
0 vote226 views1 answer
Mysql workbench indent formatting
SQL
0 vote236 views1 answer
Running percentage of total postgres
SQL
0 vote201 views1 answer
Mysql create table columns with spaces
SQL
103 votes370 views1 answer
Like sql
SQL
2 votes244 views1 answer
Sqlite3 show columns name
SQL
0 vote174 views1 answer
Ms sql print more than 1 variable
SQL
53 votes422 views6 answers
How to install mysql ubuntu
SQL
0 vote227 views1 answer
First Step in installing SQL workbench
SQL
0 vote226 views1 answer
Update if else mysql
SQL