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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
1. Determine the set of minimal functional dependencies for the following data. The local bakery, Happy Cakes, needs your help designing a database that will support a kiosk in
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
What are the various symbols used to draw an E-R diagram (any 3)?
distributed quey processing
Why older data models are being replaced by new data modelling 100 words accepted#
Consider the table student and list names of students in the departments other than maths and computer. SELECT std_name FRM student WHERE dept_name NOT IN (‘Maths','Computer);
Differance between procedural and non procedural DML? Procedural and non procedural DML Procedural DML exactly what data is require and how to obtain those data. Non procedural
Scenario 1: Power goes out after the first instruction. What happens?
what is the need of a log in dbms
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