Whenever there is a comparison of GDPs amongst the countries, Purchasing Power Parity (PPP) concept is very vital to understand. Gross domestic Product (GDP) represents an accounting of the total value of all final goods and services produced in a geographic region over a specific period of time, usually one year.
From Wikipedia, the free encyclopedia. A globally unique identifier (GUID, /ËÉ¡aÉªd/ or /ËÉ¡uËÉªd/) is a unique reference number used as an identifier in computer software. The term GUID typically refers to various implementations of the universally unique identifier (UUID) standard.
When you use the IDENTITY property to define an identifier column, consider the following: 1  A table can have only one column defined with the IDENTITY property, and that column must be defined by using a decimal, int, numeric, smallint, bigint, or tinyint data type. 2  The seed and increment can be specified.