Recover Erased Files while creating partition
Hi all,
I recently divide external partition with Disk Utility. Without knowing that divide partition for external will erase all files, I lost my few hundred GBs files. For such a big files, it only take less than 3 min to create partition. Hence, I'm thinking will the files were kept somewhere temporary?
Hope to get your advice how i can recover my files. Really careless because thinking it will work like divide partition for mac drive without erase your files.
Thanks!
The Hatter,
I have this files in one of my partition. Will these files help me in restore my files? Hope to get your advice, thanks!
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Files in Trash
If you simply put files in the Trash you can restore them by opening the Trash (left-click on the Trash icon) and drag the files from the Trash to your Desktop or other desired location. OS X also provides a short-cut to undo the last item moved to the Trash -press COMMAND-Z.
If you empty the Trash the files are gone. If a program does an immediate delete rather than moving files to the Trash, then the files are gone. Recovery is possible but you must not allow any additional writes to the hard drive - shut it down. When files are deleted only the directory entries, not the files themselves, is modified. The space occupied by the files has been returned to the system as available for storage, but the files are still on the drive. Writing to the drive will then eventually overwrite the space once occupied by the deleted files in which case the files are lost permanently. Also if you save a file over an existing file of the same name, then the old file is overwritten and cannot be recovered.
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I am trying to create a composite RANGE-LIST partition on a table.
I am trying to create a range partition on a insertdate column and a list subpartition on last 2 digits of a phone number. So, each partition should have 100 subpartition.
The syntax goes like this.
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SUBPARTITION BY LIST( (SUBSTR(PHONE_NO,-2))
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PARTITION P2 VALUES LESS THAN (TO_DATE(' 2006-01-02 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN'))
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values keyword in the subpartition definitions
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The following statement is syntactically valid, but it is may be not what you want. Is it possible that you subpartition by hash? Why list subpartitioning? Is subpartitioning needed at all?
CREATE TABLE TEST_PART
Insertdate date,
phone_no varchar2(10),
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col2 varchar2(20))
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SUBPARTITION BY LIST( PHONE_NO )
SUBPARTITION template(
SUBPARTITION value00 values('00'), -- now this makes no sense anymore
SUBPARTITION value01 values('01'), -- now this makes no sense anymore
SUBPARTITION value02 values('02')) -- now this makes no sense anymore
PARTITION P1 VALUES LESS THAN (TO_DATE(' 2006-01-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIAN')),
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