create new id

actual User id:Some articles refer to it as the real user ID, which is the ID when we log on to the UNIX system. Valid User ID: Defines the rights of the operator. A valid user ID is a property of a process that determines the access to the file

Basic attributes of a process: process ID, parent process ID, process group ID, session, and control terminal.Abstract:This document describes the basic attributes of a process, including process ID, parent process ID, process group ID, session, and

Basic attributes of a process: process ID, parent process ID, process group ID, session, and control terminalAbstract:This document describes the basic attributes of a process, including process ID, parent process ID, process group ID, session, and

Laravel If there is a data table inside the USER_ID update the other fields under the ID, and if not, create a new record, how does the database operation be implemented? Every time I write, no matter if user_id exists, it's an update. $resQuery =

In actual database applications, we often need to get the inserted flag value to write data into the relevant table. But what we usually get is the value we need?Sometimes we use select @ identity to obtain the value we just inserted, such as the

This is the case, can be based on the Click Department Value (department ID) to the background to query! //gets the type of event that is displayed in the background according to the zoning configuration 20150228 Zhangh

UNIX environment Advanced Programming 8.11 mentioned in the user's actual ID, valid user ID, save the user ID set the concept of the time, I stuck, the internet to find a post, to do a detailed description. Collection of. 7.6 The USER ID of A

When we do a table operation on MySQL, we will not be able to rely on MySQL's autoincrement to produce a unique ID because the data is scattered across multiple tables.Should try to avoid the use of self-increasing IP to do the primary key, for the

This article mainly describes how to generate globally unique IDs in a distributed system. Preface Simply generating global IDs is not a challenge, generating a global unique ID to meet the following requirements: Ensure that the generated ID is

Every Windows user wants to set and use a PC in his/her own way. However, in current multi-user and multi-PC environments, it is not easy to achieve this desire. We have learned that PC sharing is quite common and many users complain that switching