More DBA job interview questions and answers at
http://dba.fyicenter.com/Interview-Questions/
(Continued from previous question...)
What is a Coalesce? What is the equivalent of Oracle/Db2 Coalesce Function in Sybase ?
Coalesce is also available in Sybase
This functions evaluates the listed expressions and returns the first non-null value. If all the expressions are null, coalesce returns null
USAGE: coalesce(expression, expression [, expression]...)
EXAMPLE: coalesce(initialqty,finalqty,middleqty)
Returns the first occurrence of a non-NULL value in either the initialqty or finalqty or middleqty
(Continued on next question...)
