Answer / orawhiz

A Database contains one or more Rollback Segments to
temporarily store "undo" information.

Answer / gvmahesh

roll back segment means it is a an dynamic memory location
for storing all the transactional(INSRT,UPDATE,DELETE) data.
untill we commited or rollback that data.

Answer / mohan

rollback is undo the sql and plsql statments.

How to define a cusotmer as a supplier in ORACLE R12

0 Answers   Intelligroup,

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What are various constraints used in SQL?

1 Answers   Polaris,

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i must get table name, constraint type, constrain name with using concads "||" and it must be in string type, then with join processes i need code please help immidiately

1 Answers  

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What are privileges and grants?

0 Answers  

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20. Using a set operator, display the client number of all clients who have never placed an order.

0 Answers   Wipro,

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What is the usage of control file in oracle?

0 Answers  

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how can find the second max sal for every group(i.e i want group the data based on key and find the second max sal for every group

2 Answers   Verizon,

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What are the roles of dba?

0 Answers  

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How would you extract DDL of a table without using a GUI tool?

1 Answers  

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How to find 1st, 2nd, 3rd highest using select select statement not using rownum

3 Answers  

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4. Using a set operator, display the creditor number of all creditors who have ever been paid.

2 Answers   Wipro,

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What is Index Cluster ?

2 Answers  

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