1. Problem: For a table, 50 clients are inserted into the data, with average every ten seconds, 20 records each time, how to calculate its blockage rate? 2, I feel that when you write the unit test, if you retrieve or insert the database, you can use the SELECT * and the insert INTO TABLENAME VALUES without a field name (insert a few values, you can use Insert Into Tablename SELECT AAAA ... Union Select Bbbbb ....
