Insert data (insert into table name (field name) values (value of each field))
insert into teacher (id, name, age) values (1, 'raindrop', 38), the meaning of this sentence: insert one in the teacher table Data, the fields are id, name, and age; the field names after the table name can be dropped out of order, and the following values can also be dropped together. Do not fill in all fields in the default table
Insert multiple pieces of data: insert into teacher values (0, 'Zhou Runfa', 32), (0, 'Jiang Long', 83), (0, 'Tang Wei', 29) ... (here 0 represents the primary key, since increase)
Insert specified fields: insert into teacher (id, name) values (0, 'Qiu Shuzhen'), (0, 'Zhang Min') ......