Oracle Apps DBA Interview questions Part-1

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1  1)  How to recreate context file?

$ cd $INST_TOP/appl/admin
$ mv vision_apps.xml vision_apps.xml_bkp
RUN :
perl $COMMON_TOP/clone/bin/adclonectx.pl retrieve

2) How to recreate context file in Database side?

$ORACLE_HOME/appsutil/bin
Use adbidxml.pl scipt

3) How to find out invalid objects in the database?

select count(*) from dba_objects where status =’INVALID’

4) How to compile invalid objects?

Database side
Cd $ORACLE_HOME/rdbms/admin/utlrp.sql
$sqlplus sys as sysdba
SQL > @utlrp.sql

Application side:
Using adadmin

 5) If possible to rollback the autoconfig session?

 Yes, We have using following steps
Shutdown the application services
Restore the Autoconfig session

cd $INST_TOP/admin/log/MMDDHHMM/restore.sh
sh restore.sh
Once done the activity start the application

6) How to create appsutil.zip file?

$AD_TOP/bin
Run $ perl admkappsutil.pl

This will create appsutil.zip in $INST_TOP/admin/out
Move the $ORACLE_HOME
unzip -0 appsutil.zip file

7) What is adident utility?

Adident utility is used for find the file version
Syntax:  adident Header <filename>

8) How to find oracle apps version?

Select release_name from fnd_product_groups;

9) What is (.dbc) file?

Dbc file contain database connection information. DBC file is used by oracle applications to connect to database. Its location is $FND_SECURE.

10) How to find opatch version?

$ORACLE_HOME/OPatch/opatch version
OPatch -lsinventory

11) ADpatch Option ?

$adpatch options=noautoconfig
$adpatch options=nocompiledb
$adpatch options=nocopyportion
$adpatch options=nocompilejsp
$adpatch options=nogenerateportion
$adpatch options=hotpatch
$adpatch options=nolink
$adpatch options=nogenform

12) Post Clone Steps in R12 ?

Run cmclean.sql
SQL> EXEC FND_CONC_CLONE.SETUP_CLEAN;
    COMMIT;
    EXIT;
It will delete all old data from the table.
Run AutoConfig on all tiers
Change application and database user password


Coman questions:

 What Are all the day-to-day activities in previous projects?
What is Your Prod database size?
Did you have experience in any monitoring tools? like OEM,Zenos,etc..
Did you solve any P1 ticket and explain


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