SQL Server GUID
GUID In SQL Server, a GUID (Globally Unique Identifier) is a 16-byte (128-bit) unique identifier commonly used as a primary key or unique identifier in a table. In SQL Server, GUIDs are handled using the uniqueidentifier data type. Characteristics of GUIDs in SQL Server: Globally Unique: Designed to be unique across different systems and servers, with virtually no chance of collision. Random: Unlike IDENTITY values, GUIDs are not sequential and do not follow a predictable pattern....