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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
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
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
You are required to write a report which evaluates two of the following issues in relation to your case study database: a. Security issues b. Performance issues c. Backup
describe objectivde of file organisation
What is nested relational model? The nested relational model is an extension of relational model in which domains might be either atomic or relation valued.
Describe Embedded Query Language? Embedded Query Language - A query language (e.g., SQL) can be implemented in two ways. It can be used interactively or embedded within a host
What does the extract statement do in extract datasets? The data is written to virtual memory by extract commands.
how does Btree differ from a B+ - tree?
Compare wait-die deadlock prevention scheme with wait-wound scheme Ans: Wait-Die Scheme a) Based upon a nonpreemptive technique. b) If Pi requests a resource present
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