In this test, a tall, thin tube holds a sample of your blood. The speed at which the red blood cells fall to the bottom of the tube is measured. Inflammation can cause abnormal proteins to appear in your blood. These proteins cause your red blood cells to clump together.
From Wikipedia, the free encyclopedia. A user-defined function (UDF) is a function provided by the user of a program or environment, in a context where the usual assumption is that functions are built into the program or environment. 1 BASIC language.
Like functions in programming languages, SQL Server user-defined functions are routines that accept parameters, perform an action, such as a complex calculation, and return the result of that action as a value.The return value can either be a single scalar value or a result set.ser-defined Function Benefits. The benefits of using user-defined functions in SQL Server are: They allow modular programming. You can create the function once, store it in the database, and call it any number of times in your program. User-defined functions can be modified independently of the program source code.