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triggering
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
What is relational model feature? A relational model feature is much more data independence than some other database models.
Concurrency issues Data integrity: Threads accessing same object need to be synchronized, such as: banking account. Deadlock: One or more threads in system are perman
What is association? Give an example of association Association is used for establishing relationships among classes. Association describe links among/between classes. For exa
what are the states of transaction?
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
Benefits of using heuristics
You are managing the following database system: • DBMS: Oracle 11g • OS: Sun Solaris • System architecture: Web-based application using ASP.Net • Purpose of Server: HR managem
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