Answer / chaudhry

Logical backup involves reading a set of databse records
and writing them into a file. Export utility is used for
taking backup and Import utility is used to recover from backup.

Answer / vivek

Logical backup is a process of extracting data in the form
of SQL statements,where it is useful to recover in case the
objects ate lost.The main drawback of this backup is that MEAN
TIME TO RECOVER is high.

Answer / brajendra arzare

Logical backups are backups in which the export utility
(for example exp) uses SQL to read database data and then
export it into a binary file at the operating system level.
We can then import the data back into a database using the
import utility (imp).

What is Full Backup ?

3 Answers  

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Enlist some commands of dcl?

0 Answers  

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What is like operator for and what are wild cards?

0 Answers  

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Describe the differences between vertical and horizontal portioning.

0 Answers  

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What will be the maximum size of an extent of a segment if the tablepac's default storage values are specified as (initial 8K next 16k minextent 4 pctincrease 100).Explain.

0 Answers  

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What does clipper stand for?

0 Answers  

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What is the use of RECORD option in EXP command ?

1 Answers  

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What is difference between database and dbms?

0 Answers  

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what is s/w lifecycle?

1 Answers   IBM,

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How do you start a database?

0 Answers  

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How do you use a database worksheet?

0 Answers  

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Where is the data stored in a database?

0 Answers  

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