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
What are the four characteristics that all chordates have at some stage of their lifecycle ?

Phosphorus (P) - Macronutrients In soil, phosphorus occurs almost exclusively in the form of orthophosphate. Substantial amount of P is associated with the soil organic matter

When the ratio of insulin to glucagon is >1, which is the following is true with regards to fatty acid synthesis? -malonyl CoA will inhibit carnitine palmitoyl transferase 1

a) Explain what is meant by ovulation. b)  How often does it happen in humans?   (a) Ovulation is the release of an ovum from a mature follicle in the ovary.

PROTEINS Protein was discovered by Mulder. Berzilius gave the catalytic concept & gave the word protein, which means first rank. Protein holds the 1st place in

Treatment of travelers'diarrhea  The most common cause of travelers' diarrhea, usually a self-limited illness lasting several days, is infection with noninvasive enterotoxigeni

Define Inhibitors and Enhancers - absorption of dietary iron? Phytates and fibre from whole grain cereals, tannins and polyphenols in tea, oxalates in green leafy vegetables li

What is Endocrine System explain ? The endocrine system consists of glands, organs that secrete hormones. Endocrine glands are tissues that produce secretions within the body,

Which are the brain regions associated with memory? According to researchers some of the main regions of the nervous system associated with the memory phenomenon are the hippoc

Plastids The term plastid first used by Haeckel (1865). These are present in plants and few protists (Euglena). On the basis of function plastids are of three types