DML Foundation

1, Insert
 

insert into  surface  values( value 1, value 2,..),

                                (...),

                                (...);

// There should be no spaces in the brackets, otherwise the spaces should be typed out with other grammar 

2, Data modification

UPDATE table_name
SET column1 = value1, column2 = value2...., columnN = valueN
WHERE [];
//where  After that is the condition 

3, Data deletion

// Self deleting content 
delete from  Table name  [where  Conditions ];
// This is equivalent to rebuilding a new table 
truncate table_name