/SQL/Update table from another table mysql

Update table from another table mysql

Update left join mysql

UPDATE  t1
LEFT JOIN
        t2
ON      t2.id = t1.id
SET     t1.col1 = newvalue
WHERE   t2.id IS NULL

Source: stackoverflow.com

Update table from another table mysql

UPDATE t1
SET t1.COL1 = t2.COL1, t1.COL2 = t2.COL2
FROM MY_TABLE AS t1
INNER JOIN MY_OTHER_TABLE AS t2 ON t1.COLID = t2.ID
WHERE t1.COL3 = 'OK';

Mysql update field from one table to another

UPDATE MY_TABLE AS t1
INNER JOIN MY_OTHER_TABLE AS t2 ON t1.COLID = t2.COLID
SET t1.COL1 = t2.COL1, t1.COL2 = t2.COL2
WHERE t1.COL3 = 'OK';

Mysql update table from select on another table

UPDATE TableB 
SET TableB.value = (
    SELECT TableA.value 
    FROM TableA
    WHERE TableA.name = TableB.name
);

Mysql update table from another table

UPDATE tableB
INNER JOIN tableA ON tableB.name = tableA.name
SET tableB.value = IF(tableA.value > 0, tableA.value, tableB.value)
WHERE tableA.name = 'Joe'

Source: stackoverflow.com

Similar codes

1 vote196 views1 answer
Sql delete all values in a column
SQL
2 votes204 views3 answers
Write sql query to find the second highest salary of employee
SQL
0 vote202 views1 answer
Update top 100 order by sql server
SQL
1 vote216 views1 answer
Avg mysql
SQL
0 vote218 views1 answer
Change permission to database mysql
SQL
0 vote191 views1 answer
Oracle enable chain
SQL
12 votes193 views1 answer
Env var for setting password for root user mysql docker hub
SQL
0 vote197 views1 answer
Systemverilog unique constraint unique values
SQL
4 votes202 views1 answer
List tables sqlite
SQL
4 votes208 views1 answer
Id primary key auto generated
SQL