âThat meant representation for all.â. Since then, the best of North Carolinaâs legislative leaders, though not all, have presided over its chambers with an eye toward good government. But last weekâs session was a reversion to the strong-arm rule that Republicans decried in the 1980s.
An identity function is a function that always returns the same value as its argument. In other words, the identity function is the function f(x) = x. x.
It simply means the column uses the Identity(seed, increment) function to provide values for a primary key (usually). It is also known as Autonumber. The second line below is an example: It acts as a default value for the column that increments for each record.lag indicating an Identity Column-can be used as an auto-increment column (recommended for any table). it has many implications like being able to get the id of the last inserted row in a table using @@IDENTITY or SCOPE_IDENTITY() etc.