Oracle 10g DBA questions

I am preparing to Oracle 10g certification. I have several questions that I can't answer how well I did a lot of research. Help, please. Thank you. S.

1. which two databases users can log into EM to perform the loading bath using SQL loader?

2. who would have three configurations you use for the automatic management of the backup and restoration of the Oracle database operations?
store data files in the flash recovery area.
store the archive logs in the flash recovery area.
Back up the control files; use the database in archivelog mode.
Configure the automatica undo management;
Use the flash recovery for backup files automatic storage management

3. which three user names, by default, can provide access to the control of database Oracle Enterprise managers?
system, sysman, dmsnmp, sys?

4. When you create a database using DBCA, why is the block size not enabled?

5. the table maybe flashback if it resides in a locally managed tablspace?

You do not have my point. There is no need to look for 'anyone' on any forum for the answers. You should look for them yourself.

Think about this question only. Why the confusion? Florian gave an answer already you must choose the tempelate custom to get the option of block size. So the question is the size of block unmodifiable why right?

+ 1. you have chosen the file storage system.

Doesn't ANY sense!
2. you use no model of custom database to create db

+ 3. you haven't chosenGrid Ctrl +.
It has nothing to do with the size of the block.

+ 4. data block size is set to the maximum block size supported by the operating system.

Nope, oracle assigns the default value they use in a statement.

+ 5 block size can be increased when DBCA is called Oracle installer +.
Nonsense!

I left the option 2, that has meaning today?

Yet once, not worth about issues and especially not these. Think and prepare concepts and for it you just put the efforts.

HTH
Aman...

Tags: Database

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