Oracle Apps DBA Interview questions Part-1

By -
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


Comments

Post a Comment

Popular posts from this blog

How to troubleshoot long running concurrent request in R12.2

By -
Normally we are getting concurrent program running longer and concurrent request not picking jobs, etc. those are very frequent issue we expected from development team. Collect below basis level of information to development team 1 Oracle seeded program/Custom program? 2 How much time it used earlier? 3 Is there any recent code change done in concurrent program? 4 Is this program fetching higher data compare to last run? 5 Does this job running any specific time/ It can be run any time? 6 Does this job fetching data using DB link? 7 Does the problem happen on both the test and production instance? Once asked above questions to development team in meanwhile we need to start basic sanity check in our environment. 1 Verify the status of the concurrent program select REQUEST_ID,phase_code,status_code,ORACLE_SESSION_ID from apps.fnd_concurrent_requests where request_id=’1234567’; 2 Find which concurrent manger ran a specific concurrent request select b.USER_CONCURR
Read more

How to run Gather Schema Statistics in R12.2

By -
Image
What is Gather Schema Statistics? Gather Schema Statistics program generates statistics that quantify the data distribution and storage characteristics of tables, columns, indexes, and partitions. The cost-based optimization (CBO)  uses these statistics to calculate the selectivity of prediction and to estimate the cost of each execution plan. Why Run the Gather Schema Statistics? When Data is update, insert, delete in table of user end Like (Technical User ,Finance User ,Ect) It become necessary to run the Gather Schema Statistics It’s recommended to Run GSS in Weekly Once or twice. How to run Gather Schema Statistics? Login application with sysadmin user Submit Request Window Navigate to: Concurrent > Requests Enter the parameters This can be run for specific schemas by specifying the schema name or enter ‘ALL’ to gather statistics for every schema in the database Submit the Gather Schema Statistics program Parameters: Schem
Read more

How to compile forms in R12.2

By -
STEP 1--> Login to app server STEP 2--> Go to  directory $AU_TOP/forms?US STEP 3--> Move to ".fmb" file STEP 4--> Execute the below command to generate ".fmx" frmcmp_batch userid=apps/<apps_pwd> module=<form_name>.fmb output_file=<form_name>.fmx module_type=form batch=no compile_all=special (EX):-   frmcmp_batch userid=apps/apps module=JAINTAXT.fmb output_file=$JA_TOP/forms/US/JAINTAXT.fmx module_type=form batch=no compile_all= special (O/p):   Created form file /oracle/CLONE/apps/fs2/EBSapps/appl/ja/12.0.0/forms/US/ JAINTAXT.fmx Refer: R12: How to Compile a Form in Release 12 (Doc ID 1085928.1)
Read more