write short notes on relational
Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
Expected delivery within 24 Hours
define the terms i key attribute ii value set key attribute an entity type usually has an
define weak and strong entity sets weak entity set entity set that do not have key attribute of their
explain the two types of participation constraint total the participation of an entity set e in a relationship set r is said to be total if each
define the terms i ddl ii dml ddl data base schema is specified by a set of definitions expressed by a special
write short notes on relational model the relational model uses a collection of tables to show both data and
write short notes on domain relational calculus the domain relational calculus uses domain variables that take on values from an attribute
define query language a query is a statement requesting the retrieval of information the portion of dml that includes information retrieval is
the objective of the term project is to demonstrate your understanding and ability to apply the body of knowledge covered in this course the goal
write short notes on schema diagram a database schema along with primary key and foreign key dependencies can be depicted pictorially by
1942146
Questions Asked
3,689
Active Tutors
1441752
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Please share your reactions as well as your questions about the WAIS in specific and cognitive assessment in general.
Further expand on this How do you discern when use of self is relevant, appropriate, and ethical?
The postexperimental session (debriefing): Group of answer choices allows the experimenter to explain the details to the participants
Cover stories are used to: Group of answer choices mislead subjects about the true purpose of the experiment direct the subject's attention
Question: In social psychological experiments, the experimenter tries to: Need Assignment Help?
What is the difference between deductive and inductive reasoning? Based on these definitions, what is a potential research topic