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Managing Multiuser Databases

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

forward only.
dynamic.
keyset.
static.

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

True
False

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Managing Multiuser Databases
Locks placed by command are implicit locks.

False
True

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Managing Multiuser Databases
Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?

Consistent read
Phantom read
Dirty read
Nonrepeatable read

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Managing Multiuser Databases
Which of the following refers to a cursor type where changes of any type and from any source are visible?

Forward only
Dynamic
Static
Keyset

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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
dynamic
static
forward only

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