Oracle 1Z0-52 Dba 11g

Oracle 1Z0-52  Dba 11g The Differents Between A Level 1 And Level 0
  
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Level 0 backups everything .....


Level 1 Differential incremental backs up changes .from level 0 and changes since the level 1 backup.....

Level 1 Cumulative incremental backups all blocks that have changed since the most recent level 0 backup.........
 
That means
Level 0 -- 1 cumulate
0 - 1 cumulate
Level 0 - 1 differential
0 - 1 differental - 1 differental

Database writer
can have more then one dw
and also will write whenever a checkpointing happens
 
n/a
RMAN automatic backups
 
will configure using autobackup
Control file and
Server parameter fil

Data Recovery Advisor (DRA) will not help you
on a standby database or recover from failures in RAC
 
n/a
You can create an index on a table
Create a synonym on a table
for a external table
 
A B-tree index has lef blocks that are doubly linked and the space is available if a row is logical deleted in a left block
A database Global Database Name is the
database name
and
the domain name.......
 
n/a
The operating system group must have permission to write to the inventory directory - else the installer will ask for the path and also - you will need the operating system group name
 
N/A
A extent can not spread across a data file.
 
Do you know what a extent is????
Run Memory advisor (Buffer cache) if Automatic Shared Memory Manager is disable and you have poor performance. for SQL
 
n/a
Tempory tables can have Indexes and views and.
are created in temporay tablespaces and Locks (DML) and not acquired.
 
n/a

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