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Managing Multiuser Databases

Managing Multiuser Databases
Dirty read, nonrepeatable, and phantom reads are not possible in this instance.

Repeatable read
Serializable
Read committed
Read uncommitted

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Managing Multiuser Databases
The size of a lock is called:

shared lock
lock granularity
exclusive lock
implicit lock

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Managing Multiuser Databases
A cursor type in which the application can only move forward through the recordset is called:

dynamic.
keyset.
forward only.
static.

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Managing Multiuser Databases
A durable transaction is one in which all committed changes are permanent.

False
True

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Managing Multiuser Databases
Resource locking is a process to prevent multiple applications from obtaining copies of the same record when the record is about to be changed.

True
False

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Managing Multiuser Databases
A cursor type in which the application sees the data as they were at the time the cursor was opened is called:

forward only
keyset
dynamic
static

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MORE MCQ ON Managing Multiuser Databases

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