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Why does a DBMS query language is designed?
A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applications software and specify the structure of a database.
What is the function of IO/M signal in the 8085? It is a status signal. It is used to differentiate among memory locations and I/O operations. When this signal is low (IO/M = 0
a project based on normalization with first, second and third normalization. There need to be a diagram also
What are the two integrity rules? Ans: The two integrity rules are: Entity Integrity Rule & Referential Integrity Rule. Entity Integrity Rule - If the attribute A of rel
Hi, Do you offer private tuition for DBMS?
The External or View Level The external or view level is the highest level of abstraction of database. It gives a window on the conceptual view, which permits the user to see
what factors might influence a company to outsource its IT infrascture.
A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
What are axioms? Axioms or rules of inference give a simpler technique for reasoning about
What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
What are temporary tables? Temporary tables exist solely for a particular session or whose data persists for the duration of the transaction.
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