Mysql update set

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

Update all rows mysql

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

Mysql update

UPDATE table_name SET field1 = new-value1, field2 = new-value2
[WHERE Clause]

-1

Source: tutorialspoint.com

Mysql update set

CREATE TABLE copy LIKE original;

ALTER TABLE copy DISABLE KEYS;
SET unique_checks=0; SET foreign_key_checks=0; 

INSERT INTO copy SELECT * FROM original;

ALTER TABLE copy ENABLE KEYS;
SET unique_checks=1; SET foreign_key_checks=1;

-1

Source: stackoverflow.com

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