update all rows mysql
UPDATE tableName SET columnName = yourValue; #to update multiple columns: UPDATE tableName SET column1 = value1, column2 = value2; #and so on
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
UPDATE table_name SET field1 = new-value1, field2 = new-value2 [WHERE Clause]
Source: www.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;
Source: stackoverflow.com