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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. A long-standing international treaty am
In case of entity integrity, the primary key may be declared? In a case of entity integrity primary key may be not Null.
Research Value: 7% Due Date: 17-Sep-2018 Return Date: 11-Oct-2018 Length: 700 words Submission method options: Alternative submission method Task back to top You are required to
Hi I have got an assignment for making an er diagram for market management software can any budy help me?
What is a candidate key? Minimal super keys are known as candidate keys.
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela
What functions does a data dictionary perform? In a (DBMS)data management system, the principal functions performed by the data dictionary are Management of data defini
Describe relational model? Structure of relational data base Basic structure Database schema Keys Schema diagram Query languages
Define DBMS? DBMS: database management system (DBMS) is computer software designed for the reason of supervision databases based on a variety of data models.
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