Updating by deletion, Biology

Updating by Deletion

DELETE FROM ENROLMENT WHERE StudentId = SID ('S4');

As you can see, this differs from Example by the addition of the noise word FROM. The expression SID ('S4') assumes the existence of a user-defined operator whose invocation here yields the value of user-defined type SID that represents the student id S4.

Posted Date: 1/18/2013 1:28:35 AM | Location : United States







Related Discussions:- Updating by deletion, Assignment Help, Ask Question on Updating by deletion, Get Answer, Expert's Help, Updating by deletion Discussions

Write discussion on Updating by deletion
Your posts are moderated
Related Questions
Chilling and Flower Induction Some plants flower only after passing a winter season. For example, winter wheat is sown in the autumn for harvest in the following summer. It ne

Ask question #Minimum 150 words accepted#

Polyembryony Presence of more than one embryo in a seed is termed polyembryony. The phenomenon, first discovered in orange seeds by Leeuwenhoek (1719), attracted considerable

Q. Why is the endocrine system considered one of the integrative systems of the body? What is the other physiological system that also has this function? The endocrine system i

Q. Define the Purposes of Counselling? 1. Supporting individuals to take charge of their own life by: Providing information; Facilitating emotional adjustments; and

Maximum and minimum range of an animal with the factors of Ph Salinity Pressure Relative human

CONTRACTI L E CELLS In addition to above mentioned three types of muscular tissue, there are contractile cells. These are as follows. 1.      Myoepithelial Cells (= M

Q. Explain Spoilage of Fruits and Vegetables? Ans. Fruits and vegetables are an integral part of daily diets of man all over the world. The spoilage of fruits and vegetabl

Define Reaction of glucose and fructose with Fehlings reagent? Lactose is a milk sugar. It is a reducing disaccharide having a free sugar group and can reduce Fehling's reagent

Define Hormonal imbalance as a factor for obesity? Certain diseases associated with secretion of hormones, e.g., hypothyroidism, hypogonadism and Cushing's syndrome exhibit obe