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What is key ? Key - A single attribute or a combination of two or more attributes of an entity set which is used to recognize one or more instances (rows) of the set (table) is
What is SQL, and why is it important? SQL stands for Structured Query Language, and is the most significant data processing language in use today. It is not a complete programm
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
List some instances of collection types? a) sets b) arrays c) multisets
as a customer service employee explain five measures you would recommend to make even a displeased students patronize the school canteen
Which of the operations constitute a basic set of operations for manipulating relational data? Relational algebra operations constitute a basic set of operations for manipulati
external and internal mapping with examples
projects?
I need help in doing my dbms project
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
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