guid uniqueness

A. Guid conceptGUID: The globally unique Identifier (globally unique identifier) is also known as the UUID (universally unique Identifier). A GUID is a 128-bit numeric identifier produced by a particular algorithm that indicates the uniqueness of

in the following example, LUA is used to generate the GUID, then compare the MD5 algorithm of Nginx server to compare the efficiency.functionGUID ()LocalSeed = { '0','1','2','3','4','5','6','7','8','9', 'a','b','C','D','e','F','

Background: During this time, I made some website programs for a tourism website. The data table is roughly as follows: Figure 1 the general situation of the database table is because it is an Access database, there are two previous data tables:

Background: During this time, I will create some website programs for a tourism website. The data table is roughly as follows: the general situation of the database table is the Access database. There are two data tables: TC_TourCompany and

I. Introduction of GUIDs GUID: The globally unique Identifier (globally unique identifier) is also known as the UUID (universally unique Identifier). A GUID is a 128-bit numeric identifier produced by a particular algorithm that indicates the

Previous Article Windows disk MBR architecture detailed we introduce the master Boot record structure in basic disk. GPT disk as the partition structure introduced after Windows 2003. Using the GUID partition table structure, the benefit compared to

1. Introduction to GUIDGUID: that is, Globally Unique Identifier (Globally Unique IDentifier) is also called UUID (Universally Unique Identifier ). GUID is a 128-bit digital identifier generated by a specific algorithm. It is used to indicate the

I. Introduction of GUIDs GUID: The globally unique Identifier (globally unique identifier) is also known as the UUID (universally unique Identifier). A GUID is a 128-bit numeric identifier produced by a particular algorithm that indicates the

Introduction of the GUIDGUID: The globally unique Identifier (globally unique identifier) is also known as the UUID (universally unique Identifier). A GUID is a binary length 128-bit numeric identifier generated by a specific algorithm that

One, uniqueidentifier is a data type that stores the value of the GUID.uniqueidentifier data type is a 16-byte GUID.A column or local variable of uniqueidentifier data type can be initialized to a value in the following ways: By using the