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What is deadlock? Neither of the transaction can ever proceed with its normal implementation. This situation is known as deadlock.
What are the three data anomalies that are likely to occur as a result of data redundancy? Can data redundancy be completely eliminated in database approach? Why or why not? A
What three major types of actions includes databases? Briefly discuss these The three major types of actions including databases are: (i) Defining: It includes specifyin
Write a program within embedded SQL to associative the total trip expenses of the salesman named ‘John' for the relations. EXEC SQL BEGIN DECLARE SECTION; long total_expenses;
Explain hash file organization? Hash functions a) The distribution is uniform Hash functions assign each bucket the similar number of search -key values from the set of a
Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
What is called as an N-way merge? The merge operation is a generalization of the two-way merge used by the standard in-memory sort-merge algorithm. It merges N runs, so it is k
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
What is Gathering information and Producing ERD Gathering information: This could be a written document that explains the system in question with reasonable quantity of detai
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