Mysql update add to existing value

Mysql change value

UPDATE [LOW_PRIORITY] [IGNORE] table_name 
SET 
    column_name1 = expr1,
    column_name2 = expr2,
    ...
[WHERE
    condition];

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 add to existing value

mysql> UPDATE tableName SET sometotal = sometotal+10 WHERE Id = 4;

Source: tutorialspoint.com

Similar codes

0 vote142 views6 answers
Unique key in sql
SQL
6 votes160 views2 answers
Sql sequence
SQL
0 vote171 views2 answers
How to retrive image from sql to picturebox usinf image location
SQL
1 vote163 views1 answer
Create index concurrently postgres
SQL
0 vote161 views1 answer
Sql alter table order by
SQL
0 vote174 views1 answer
Sql server: concatinate column value without trailing or leading comma
SQL
6 votes144 views3 answers
How to delete table sqlite
SQL
2 votes196 views1 answer
Oracle trace session
SQL
3 votes185 views2 answers
Wp do sql query from function
SQL
1 vote159 views2 answers
Rebuild index sql server
SQL