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Managing Multiuser Databases

Managing Multiuser Databases
A point of synchronization between the database and the transaction log is generally referred to as a stop point.

True
False

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

keyset
static
forward only
dynamic

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Managing Multiuser Databases
Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?

Read uncommitted
Repeatable read
Read committed
Serializable

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Managing Multiuser Databases
A phantom read occurs when a transaction rereads data it has previously read and finds modifications or deletions caused by a committed transaction.

False
True

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Managing Multiuser Databases
The size of a lock is referred to as lock sizing.

False
True

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