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UPDATE table_name SET column_name = new_value
WHERE condition;

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table_name£ºÒª¸üеıíÃû ¡£

column_name£ºÒª¸üеÄÁÐÃû ¡£

new_value£ºÒª¸üÐÂΪµÄÐÂÖµ ¡£

condition£º¿ÉÑ¡ £¬Ö¸¶¨Òª¸üеÄÐÐ ¡£ÈôÊDz»Ö¸¶¨Ìõ¼þ £¬Ôò¸üбíÖеÄËùÓÐÐÐ ¡£

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UPDATE customers SET address = '123 Main Street'
WHERE name = 'John' AND age > 30;

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