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CREATE TABLE prodtrans ( pno number (4) ptype char (1) CHECK (ptype in ('I','R','S')), qty number (5) FOREIGN KEY pno REFERENCES product (pno) ON DELETE CASCADE);
SET concept is used in which type of modelling? SET concept is used in Network Model.
What are the typical phases of query processing
State about the Tables- DBMS Data is stored in columns and rows (much like a spreadsheet -main difference is how data is organised). Every row in a table is known as a record
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
Illustrate the term- Abstracting Out Common Behaviour Inheritance is not every time recognised during analysis phase of development, thus it is necessary to re-evaluate object
why shadow copy technique is used?
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
word limit no mentioned
Draw entity relationship diagram for the following scenario. A university has many departments whereas each department belongs to that particular uni. That uni has also many bui
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