* Assuming formed branch of the successful implementation of all the commands, we must change with mysqli_commit function will save to the database system. Please note that once this function is called, the transaction can not be withdrawn. For your other question, I do not understand why you want to delete N rows in the chart. The data in these lines what is important? I guess youre asking how to DELETE a WHERE condition in the limit line at a subset of the removal, the answer is no. You must be noted on the same WHERE condition to open the FOR UPDATE OF a pointer, then you need the line in the loop N times to open the FETCH and DELETE WHERE CURRENT OF cursor. Of course, this means you have to rewrite a program.
At this stage, the entire PKI / CA system will be transferred to the PKI / CA daily operation and management. PKI / CA for the daily operation and management, operations management policies will be based on the PKI / CA center management; CA certificate policy based on standardized end-user management. Meanwhile, the end-user certificate should also be consistent with the contents of the policy specification. These documents the planning, design and development, need to complete the second phase of the project. In the PKI / CA system operator after a certain time will be PKI / CA system, the construction units and operating units, the joint maintenance of the system to solve the problems in operation, improve the system adaptability to external applications and service capabilities.