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What are object interaction diagrams?
Object interaction diagrams are the diagrams that used to describe order in which messages are communicated in execution of an operation, and this information is used as guidance for implementation of the individual operations.
1. Will you advise that your organization uses open source software and why? 2. Why is it important for business managers to have a basic understanding of the software development
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
Produce a set of relations (equivalent to the Finkelstein entity list) in third normal form (3NF) from the following un-normalised relation. You must use the Finkelstein methodolog
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Question: This Question refers to the database schema given in the Appendix. (a) The integrity of a database is enforced by integrity rules. Discuss what should happen on a
what is the need of a log in dbms
Define Shared locks? Ans: Shared lock: Throughout concurrent execution of transactions, earlier than a transaction can access a data item, it has to obtain a lock on it. Now he
explain various steps uses in evaluation and maintenance of MIS.
multiplicity constarin
external and internal mapping with examples
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