and get the length of the Address property. Note that we have not assigned a value to the Address property, so it is set to null. Author author = new Author(); author.FirstName = "Joydip"; author ...

Learn the differences between Is Null and IsNull() in Access Your email has been sent How many null values exist? What is the difference between a null value and a blank entry? This article ...

clauses IN and EXISTS are interchangeable. However, they’re quite different in how they handle NULL values and may give different results. The problem comes from the fact that, in an Oracle ...