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Recent questions tagged databases
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271
Entity-relationship and Relational Model:el:Convert the following entity-relationship diagram into tables of relational model
Entity-relationship and Relational Model:el:Convert the following entity-relationship diagram into tables of relational model
Usama2112
434
views
Usama2112
asked
Jan 1, 2023
Databases
databases
er-to-relational
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0
votes
0
answers
272
Unacademy AIMT -1
the answer is 28
the answer is 28
TusharKumar
621
views
TusharKumar
asked
Dec 23, 2022
Databases
databases
b-tree
unacademy-test-series
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2
votes
1
answer
273
Who manages what? (ACID peoperties)
Which manager manages each of the ACID properties? I found that transaction processing (TP) manager manages Isolation from wikipedia, meanwhile I read from another source that it is managed by concurrency control manager. Also what about the other ... which managers control them? Can you please list down the managers of the properties or any sources know to you?
Which manager manages each of the ACID properties? I found that transaction processing (TP) manager manages Isolation from wikipedia, meanwhile I read from another source...
h4kr
542
views
h4kr
asked
Dec 19, 2022
Databases
rdbms
databases
+
–
0
votes
1
answer
274
Deadlock prevention techniques | Wait-Die | Wound-Wait
MSQ Which among the following is/are TRUE regarding the deadlock prevention techniques: Wound-wait is premptive Wait-die is non-premptive Starvation is possible in wound-wait Starvation does not occur in wait-die
MSQ Which among the following is/are TRUE regarding the deadlock prevention techniques:Wound-wait is premptiveWait-die is non-premptiveStarvation is possible in wound-wai...
Souvik33
365
views
Souvik33
asked
Dec 19, 2022
Databases
databases
deadlock-prevention-avoidance-detection
operating-system
multiple-selects
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0
votes
2
answers
275
Database Relations | Heighest normal form
MSQ A relation R(A,B,C,D) has only trivial functional dependencies of the form ( A→A, AB→AB,ABC→A, etc) Then consider the following options: The relation is surely in BCNF The relation is surely in 3NF The relation is surely in 2NF None of the above
MSQ A relation R(A,B,C,D) has only trivial functional dependencies of the form ( A→A, AB→AB,ABC→A, etc)Then consider the following options:The relation is surely in...
Souvik33
775
views
Souvik33
asked
Dec 17, 2022
Databases
database-normalization
databases
bcnf
normal-forms
multiple-selects
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