Oracle 9i is a adaptation of the Answer database wherein the 'i' denotes 'Internet', which agency that Answer 9i is 'Internet Ready'. Because of this characteristic, the Answer 9i databases accommodate accomplished abject for the OLTP (online transaction processing) applications as these are efficient, reliable, and accommodate defended abstracts management. In addition, this new bearing database engine provides the adequacy to apprehend and abode XML statements. All the abstracts is stored in a datafile alleged a DBF file. Although it is a actual defended and able-bodied database system, it may sometimes get base due to assorted affidavit such as book arrangement corruption, media block corruption, operating arrangement corruption, etc. In such scenarios, you should use congenital database adjustment methods to balance DBF file. If you are not able to fix the problem, again you should use a third-party Answer accretion software to do the needful.
Consider a book wherein you get the afterward absurdity letters while alive on an Answer 9i database:
ORA-01073: baleful affiliation error: anonymous alarm type
ORA-01079: Answer database was not appropriately created, operation aborted
ORA-01099: cannot arise database in SHARED approach if started in individual action mode
ORA-01043: user ancillary anamnesis corruption
ORA-01053: user accumulator abode cannot be read
Cause
The basis could cause of the above absurdity letters is that the DBF book may accept got base due to the affidavit discussed in the anterior paragraph.
Resolution
To boldness these errors, you should accomplish several of the adjustment methods to adjustment dbf database. They are:
DBVerify: It is acclimated to validate the offline and advancement datafiles.
ANALYZE.. VALIDATE STRUCTURE: It is acclimated to verify every abstracts block in the analyzed object.
DB_BLOCK_CHECKING: It is acclimated to analysis the bendability of the abstracts block.
DBMS_REPAIR: It is acclimated to ascertain and adjustment the bribery in the abstracts block.
However, if you are not able to break the botheration even afterwards assuming the above methods again you should use a third-party dbf database adjustment software. Such read-only accoutrement are able to balance Answer database after overwriting the aboriginal database.
Stellar Phoenix Answer Database Accretion is a DBF accretion software that is able to adjustment database from all instances of corruption. It is accurately advised to balance Answer database created in Answer 9i. This dbf accretion software is able to assorted Answer database apparatus such as tables, views, table spaces, array tables, schemas, synonyms, roles, indexes, and sequences. In addition, this answer accretion apparatus is able to bottle primary and adopted keys associated with the database tables. It is accordant with Windows Server 2003 and XP.
