define null valuesin some cases a certain entity
Define null values.
In some cases a certain entity may not have an applicable value for an attribute or if we do not know the value of an attribute for a certain entity. In these cases null value is used.
Expected delivery within 24 Hours
what are stored and derived attributesstored attributes the attributes keeps in a data base are known as stored attributesderived attributes the
q how does the excretory system of nematodes workthe metabolic residuals of nematodes are together by two longitudinal lateral excretory channels
what are composite attributescomposite attributes can be separated in to sub
q how is the nervous system of nematodes organized where are the neural chords located in their bodyroundworms have a ganglial nervous system with an
define null valuesin some cases a certain entity may not have an applicable value for an attribute or if we do not know the value of an attribute for
q what is the kind of reproduction that occurs in roundworms what usual feature do nematode sperm cells havenematodes reproduce sexually the nematode
q what are the major human diseases caused by roundwormsthe major human diseases caused by nematodes are ancylostomiasis ascariasis hookworm
explain roughness width and roughness width cut offroughness width - roughness width is the distance parallel to the normal surface between
define the terms i entity type ii entity setentity type an entity type describes a collection of entities that have the similar attributesentity set
1942908
Questions Asked
3,689
Active Tutors
1431039
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
She feels the pressure to academically de well and succeed sue to her families sacrifices
One privacy issue that was not included in the original responses is the risk of emotional or psychological data being collected by new devices.
Based on educational knowledge already possessed or learned, how does that knowledge affect your future behavior or action in connection with Greenhouse
To determine when my problem space is sufficiently narrowed to support a feasible study, I evaluate several key criteria drawn from established research guideli
Problem: Research Paper Understanding Human Perception by Human-made Illusions, Claus-Christian Carbon, Frontiers in Human Neuroscience, 2014
Briefly describe the context of your first interaction with each person. Based on your reading of 5.1 Key Takeaways in Jhangiani and Tarry (2022)
Write a 3-4 page written summary from cited Source 1: Smith, A. et al. (2019). "The Efficacy of Social Skills Interventions for Children with Autism Spectrum Di