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Mohamad Eskandarane Questions
11022 Questions
Which of the following is true concerning QBE?
Database
2022-07-06
Answers
30
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40
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1
652
Stored procedures have which of the following advantages?
Database
2022-07-06
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30
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40
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1175
What is the mechanism which guarantees that all database servers participating in a distributed transaction either all commit or all roll back the statements in the transaction?
Database
2022-07-06
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30
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1167
Which transaction contains statements that access more than one node?
Database
2022-07-06
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30
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1167
Depending on the situation each node in the Distributed Database system can act as, _________
Database
2022-07-06
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30
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1240
A distributed transaction can be ............. if queries are issued at one or more nodes
Database
2022-07-06
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30
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1215
Which of the following is not one of the stages in the evolution of distributed DBMS?
Database
2022-07-06
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30
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1274
A distributed database can use which of the following strategies?
Database
2022-07-06
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30
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1128
Which of the following is a disadvantage of replication?
Database
2022-07-06
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30
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1229
A semijoin is which of the following?
Database
2022-07-06
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30
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1200
A distributed database is which of the following?
Database
2022-07-06
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30
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1259
Storing a separate copy of the database at multiple locations is which of the following?
Database
2022-07-06
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30
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1238
Replication should be used when which of the following exist?
Database
2022-07-06
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30
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1187
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11022
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