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What are the properties of transaction?
There are three properties of transactions :-
A) Atomicity
B) Consistency
C) Isolation
Describe an data dictionary? A data dictionary is a data structure which keeps meta data about the structure of the database ie. the schema of the database.
I have a homework assignment due today by midnight. I need help understanding databasse normalization and determining the type of form violation & how to fix the violation.
data models are being replaced over years. Reasons and why does that happen?
define normalisation and functional dependency
Normal 0 false false false EN-IN X-NONE X-NONE
Consider the relations given below Borrower (id_no, name) Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptio
what is Lossless-join decomposition
normal forms
Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we
What is an object ID? Each class-derived table has an ID for primary key, one or more object IDs form primary key for association derived tables. An object ID is equivalent dat
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