Basic SQL DML

Insert

1. Add data to the specified field

insert into  Table name ( Field name 1, Field name 2,……) values( value 1, value 2,……)

2. Add data to all fields

insert into  Table name  values( value 1, value 2,……)

3. Batch add data

insert into  Table name ( Field name 1, Field name 2,……) values( value 1, value 2,……),( value 1, value 2,……);

insert into  Table name  values( value 1, value 2,……),( value 1, value 2,……);

Modifying data

update  Table name  set  Field name 1= value 1, Field name 2= value 2,……[where  Conditions ];

Delete data

delete from  Table name  [where  Conditions ]