/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 vote206 views2 answers
Mysql insert generate serie
SQL
0 vote189 views2 answers
How to relationship query two different tables in MySQL
SQL
1 vote189 views1 answer
What is int in mysql
SQL
0 vote190 views1 answer
Mysql Error Code: 1005
SQL
0 vote207 views1 answer
Can sqldatareader be null
SQL
0 vote195 views1 answer
Execute sql stored procedure in powershell
SQL
0 vote160 views1 answer
Postgres delete where id in
SQL
0 vote194 views1 answer
Soql update query
SQL
27 votes200 views5 answers
Add column in table
SQL
3 votes261 views2 answers
Oracle drop column
SQL