sql command to update records

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Usage one: UPDATE table name SET column name = new value WHERE column name = a certain value

Modify the age of student Li Si

UPDATE student SET age = 18 WHERE `name` = '李思'

##View the modified Result

Usage 2:Update several columns in a row

Modify Li Si's name and age

UPDATE student SET `name` = '李思2', age = 100WHERE `name` = '李思'

The name of Li Si was changed to Li Si 2 and the age is 100

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