There are 1 million php inserts. what is the difference between 1 million inserts and inserts?

There are 1 million php inserts. what is the difference between 1 million inserts and inserts? 1-digits, from 1.

User A, randomly assigned 10,

User B, 8 random,

User c, random to 10000,

Three users, or N users, must be random numbers,

How to solve the problem.

Use PHP to operate. do not use mysql to operate. use mysql for query and storage.

Reply to discussion (solution)

I don't know what you mean?
If only data is inserted, the speed without indexes will be much higher than that with indexes.
If it is only a query, the indexing speed will be much higher than the non-indexing speed.

Are you inserting or querying?
I think you need to determine whether the Plug-In exists.
You need to add an index.

Do you want to use a database to randomly allocate a unique primary key id?