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Managing Multiuser Databases

Managing Multiuser Databases
A transaction for which all committed changes are permanent is called:

consistent.
atomic.
isolated.
durable.

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

Read uncommitted
Repeatable read
Serializable
Read committed

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Managing Multiuser Databases
An ACID transaction is one that is atomic, consistent isolated, and durable.

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:

keyset
static
forward only
dynamic

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Managing Multiuser Databases
Locks placed by command are implicit locks.

True
False

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Managing Multiuser Databases
Locks placed by command are called ________ .

exclusive locks
explicit locks
shared locks
implicit locks

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