how do updates work in mysql code example

Example 1: update set mysql

UPDATE tableName SET anAttribute = 'Something' WHERE anOtherAttribute = 'SomethingElse'

//All 'SomethingElse' values will become 'Something'

Example 2: update all rows mysql

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

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