SQL database stored procedure writing method

1. Create a new user information table , Include The user id ( Self growth ), full name , Age , contact number
2. Insert several records into the user information table
3. Create a new storage usp_ yxg, Enter the reference : The user id , contact number , To modify the user's phone number
4. Create a new storage usp_ rycz, Enter the reference :@czlbo: Insert ,1: modify ,2: Delete , Implement the insertion of personnel 、 Modify and delete functions , Data is inserted or modified or deleted by itself , All in storage