Mysql update from select

Update table mysql

-- Things in brackets are optional
-- IGNORE modifier updates rows even if errors occur (ie: the rows that cause errors are simply not updated)
UPDATE [IGNORE] table_name 
SET 
    column_name1 = expr1,
    column_name2 = expr2,
    ...
[WHERE 
    condition]; -- WHERE tells us which rows to update based on said condition

Mysql update from select

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';

Update all rows mysql

UPDATE tableName SET columnName = yourValue;
#to update multiple columns:
UPDATE tableName SET column1 = value1, column2 = value2; #and so on

Mysql select update same table

UPDATE
    products_description pd INNER JOIN products_description pd2 ON
    (pd.products_id=pd2.products_id AND pd2.language_id=1 AND pd.language_id<>1)
SET pd.products_seo = pd2.products_seo;

Source: dba.stackexchange.com

Set column in all row mysql

UPDATE name_table SET param = 'VALUE';

Update select mysql

UPDATE tableA a
INNER JOIN tableB b ON a.name_a = b.name_b
SET validation_check = if(start_dts > end_dts, 'VALID', '')
-- where clause can go here

Source: stackoverflow.com

Similar codes

0 vote255 views1 answer
Sql last 7 days
SQL
3 votes264 views1 answer
Créer une table sql
SQL
1 vote299 views1 answer
Oracle show execution plan
SQL
0 vote277 views1 answer
Code to move ietms from one table to another myswl
SQL
0 vote266 views1 answer
Sql select max value for each group
SQL
0 vote279 views1 answer
Sqlalchemy one column of two has to be not null
SQL
0 vote258 views1 answer
Count characters of string mysql
SQL
1 vote280 views1 answer
Quit mysql
SQL
0 vote273 views1 answer
List all permissions on a table in postgres
SQL
3 votes300 views3 answers
Create table in SQL Server
SQL