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What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
If the deletion violates referential integrity constraint, then three alternatives are available: Default option: - refuse the deletion. It is the job of the DBMS to describ
What is an entity relationship model? The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or
define lock conversion
What is an ER diagram? Why is it used in Database management system (DBMS)?
XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
Critically evaluate the bulleted list of information-related items in this case study. How are each contradictory to the notion of being an information-literate knowledge worker?
Which model is record based logical model? Network Modelis basically known as record based logical model.
What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
What are the different kinds of database end users? Discuss the major activities of each? End-Users - End-users are the people whose jobs need access to the database for que
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