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Attributes and its types explain?
What is entity in DBMS? Entity: A DBMS entity is either a thing in the modelled world or a drawing element in an ERD.
Describe identifying relationship? Identifying relationship: It is relationship among strong entity and a weak entity it is represented through a doubly outlined diamond in C
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
what is attribute is attribute inheritance in dbms?
define normalisation and functional dependency
Clustering Indexes It may be an excellent idea to keep data of the students in the order of the programme they have registered as most of the data file accesses may need studen
What is Relational Algebra? Relational algebra is a Procedural query Language?
recovey techniques based on deferred update and immediate update
What is object identity? An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
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