Resolving Shutdown Immediate Hang Situations
Many times Oracle DBA's are faced with a situation where shutting down the instance with shutdown immediate seems to take infinite time and gives a impression that the session is…
Read Full RecipeAuthor: Saurabh Sood
Worked with prestigious Financial Institutions and Product Based MNCs e.g. Swiss Bank (UBS), CitiBank, Qatar Central Bank (QCB), Societe Generale, Oracle Corporation & Dell.
An Oracle DBA who is up-skilling himself to help large enterprises move their data to cloud and get more insights into data to make it useful for them.
Solving ORA-1031 while connecting as “/ as sysdba” :
Many times we see an issue like this: SQL> conn / as sysdba ERROR: ORA-01031: insufficient privileges This is a very common and frequent error that can occur after the…
Read Full Recipe
Recovering from ORA-1578 ORA-8103 (Logical Corruption)
1. For ORA-1578: There are two ways in which we can extract the data from a corrupted table: a) Using DBMS_REPAIR.SKIP_CORRUPT_BLOCKS b) Using Event 10231 a) Connect as sysdba user:…
Read Full Recipe
Physical Corruption: ORA-1578 PART-2
Recovering from physical corruption: 1. Using BMR when RMAN backups are available When small set of blocks are corrupted, Block Media Recovery (BMR) can be used as a recovery technique.…
Read Full Recipe
Physical Corruption: ORA-1578 -Part 1
ORA-1578 is indication of physical block corruption. Oracle computes an internal checksum before fetching the block from disk, when it is about to fetch the block it reads the block…
Read Full Recipe