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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.
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What is a Phantom Deadlock? In distributed deadlock detection, the delay in propagating local information might cause the deadlock detection algorithms to recognize deadlocks
Explain four causes for failures in data warehouse projects
Describe the two types of methods for retrieving rows in Python? Fetchone()- Returns the next row as a sequence Fetch all()- Returns the entire result set like a strin
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
Consider the following frequency counts of some itemsets in a transaction database r : freq({A}, r) = 0.405 freq({B}, r) = 0.510 freq({C}, r) = 0.303 freq({A
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Report writing help on database mgmt Project Description: Use of Harvard referencing, critical analysis is required. Skills required: Academic Writing, Technical Writin
Data Scrubbing 70,000 records Project Description: We need services of a developer competent in data cleansing/Data scrubbing. Scope: - 70,000 records in CSV format.
define anomalies and different types of anomalies with example
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