Un-Answered Questions { Oracle DBA (Database Administration) }

When configuring sqlnet on the client what files need to be set up?

263


A user is getting an ora-00942 error yet you know you have granted them permission on the table, what else should you check?

288


How can you determine the space left in a file system?

351


You have taken import of a table in a database. You have got the integrity constraint violation error. How you are going to resolve it.

312


Can you remove an open file under unix?

355


How can you determine if an oracle instance is up from the operating system level?

299


When should you increase copy latches?

273


How to uncatalog backup?

297


If you see a pin hit ratio of less than 0.8 in the estat library cache report is this a problem? If so, how do you fix it?

815


What causes the "snapshot too old" error? How can this be prevented or mitigated?

257


How many redo logs should you have and how should they be configured for maximum recoverability?

297


How to drop an oracle database?

281


Describe hit ratio as it pertains to the database buffers. What is the difference between instantaneous and cumulative hit ratio and which should be used for tuning?

310


Discuss row chaining, how does it happen? How can you reduce it?

294


Where would you look to find out if a redo log was corrupted assuming you are using oracle mirrored redo logs?

272