Customer Service Chat
Get quote & make Payment
Keys, Database Management System
it can be possible to create any table without primary key
Posted Date: 10/23/2012 10:51:44 AM | Location : United States
Ask an Expert
Keys, Assignment Help, Ask Question on Keys, Get Answer, Expert's Help, Keys Discussions
Write discussion on Keys
Your posts are moderated
Write your message here..
Determine advantages of merging an association into a class, What are the a...
What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
Hoework, Farmer Bob, Farmer Jane and Farmer Jose run a cow farming co-op. ...
Farmer Bob, Farmer Jane and Farmer Jose run a cow farming co-op. For every cow they keep the cow’s name, age (or date of birth), breed and numbered plastic ear tag. The each of t
Query, Use a Set operator to create a list of academics who have written or...
Use a Set operator to create a list of academics who have written or co-written less than 5 papers and also have greater than 3 interests. List their academic number in the output.
Explain trivial dependency, Explain trivial dependency? Functional depe...
Explain trivial dependency? Functional dependency of the form α ->β. is trivial if α C β. Trivial functional dependencies are satisfied by all the relations.
Differentiate between a subquery and a join, Differentiate between a subque...
Differentiate between a subquery and a join If we need to acquire information from one or more tables after that either subquery or join can be used. If the columns which are t
Describe association design of an object, Describe association design of an...
Describe association design of an object by giving one suitable example of it. The Design of Associations Associations are "glue" of advanced object oriented analysis and
Explain the functional mode with help of an example, Explain the Functional...
Explain the Functional Mode with help of an example. Functional Model The functional model shows a computation and functional derivation of data values in it without ind
Weak entity, Entity types that do not have any key attribute, and therefore...
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
Define the terms - physical schema and logical schema, Define the terms 1)...
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
Define deadlock detection, Define Deadlock detection If a system does ...
Define Deadlock detection If a system does not employ a few protocols that make sure deadlock freedom, after that a detection and recovery scheme should be used. An algorithm
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.