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Q. Explain the terms key constraints participation constraints and mapping caradinalities in ER model. Participation Constraints : The participation of an entity set E i
create an e-r diagram usuing graphical dipicted software that could theoritically be used in resturant application
Create 1 experiment to demonstrate an aspect of query optimisation by using access-path structures (indexes), decomposition, or denormalisation. Once satisfied with your experiment
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
HOW MANY TYPES OF VIEWS
Consider a database schema consisting of four relations, whose schemas are: Product (maker, model, type) PC (model, speed, ram, hd, price) Laptop (model, speed, ram, hd, s
How are tables stored on Disk? We realise that every record of a table can have different amounts of data. This is due to in some records; some attribute values may be "zero".
What is Relational calculus? Relational calculus is a Non- Procedural language.
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