Oracle Interview Questions
Questions Answers Views Company eMail

select trunc(round(156.00,-1),-1) from dual;

2 29374

when we are importing items in inventory, showing errors, Oracle support suggested us for running scripts & also suggested if we run scripts, iprocurement applicaation if is there it will show shared and if we go in future for iprocurement, it wont work. So kinldy suggest any functional solution.

1467

primary key is foreign key for the same table?

Oracle,

2 6240

1) What is dense ranking? 2) Difference between Substring and Instring? 3) Case and Decode? 4) Pseudo column? 5) View vs Materialized views? 6) SQl performance tuning?

Accenture,

2 5836

how to get required data from oracle source is like this ram_05_seetha lax_05_viswa bamr05frummy run_01_away sw_sas_trim i want my target data like ram_05_seetha lax_05_viswa to get data using %_05_% but it will give ram_05_seetha lax_05_viswa bamr05frummy how can i get my target data?

Infosys,

1 3472

how to produce numbers from 1 to 10 using dual table

Genpact,

4 9376

two tables are there emp(eno,ename,sal,deptno),dept(deptno,dname).how form the query in deptno,ename,max(sal)

2 4052

how may join possible between (requisition with purchase order)

1695

I have created one package with out procedures in package specification and in package body i have used 2 procedures. is it compile????

1 3938

default triggers available for reports

1757

Please tell me what is wrong in the below query: (Very Urgent) ================================================= function BeforePForm return boolean is begin if :from_invoice_date is null OR :to_invoice_date is null then aiv.PERIOD_NMAE:=:gl_period elsif :gl_period is null then aiv.INVOICE_DATE between :from_invoice_date and :to_invoice_date end if; return (TRUE); end;

TCS,

2 5059

how to tune oracle sql queries pls tell me step by step. urgent pls

1 2546

i am pursuing mca and i want to do oracle apps technical in hydrabad, plz guide me tne best institue in hydrabad those have excellent knowledge in oracle apps.

1851

1. what is a single procedure? 2. suppose a view constructed on a query... after that in the master table a column was dropped, then what will be the status of that view? will it be invalid or something else? 3. what is mutating table error? how can you solve that problem? 4. suppose "select * from emp where empno=7788;" is running slow because of what ever the cause it is.. how can you fix it and make the execution faster? 5. will the snapshot of data will be stored in the RAM , where will ir be stored exactly. 6. how to delete 100 tables or 100000 tables' data from the schema without writing delete statement for no.of times. write an sql statement to do that job. 7. suppose a package contains so many cursors, procedures and all.. and we are using such types of procedures so many in a program. so the execution is to be stored all those packages and all to the RAM. utimately it is using many resources for each time execution. how can you reduce the time and using of resources for each execution because the query need to be run many times. how can you tune that? 8. suppose a procudere is there with specs as (a,b,c,d), all of these are IN mode only then while calling them should we pass all the 4 arguments? how to pass (b,c) only.. how ever the specs are wrote in the same order displayed in the above? 9. a function is returning a table type, how to access that function in a select statement? 10. i have a table in database A and another table in database B, how can you access the data of these two tables? write a query for that with dblinks. 11. i have two tables might have 15/20 columns in that.. i wanna send these columns(table) to the front end application for example you are using asp.net by writing a procedure. write that to perform the above job. 12. shall we create a table in the package? 13. shall we create a table in the procedure? 14. suppose i have 10 records, in that i want to select 7th record. write a query for that. cant you use rownum for this? 15. suppose my procedure has got around 20 select statements, in that some three select statements are running very slow. what will you write to detect which queries are running slowly? 16. what fields you use frequently in plan_table? 17. what is pipeline function? explain me with an example. 18. does a unique column can contain more than one null? 19. how many hints are there provided by oracle?

Honeywell,

5 6312

hi friends, I have a table A col as status|NUM and value as open |1 open |2 close |3 close |3 the O/P should be open|close 1 |3 2 |4

CTS,

1 4198


Un-Answered Questions { Oracle }

What is an agent and What are the types of agents?

303


What is new feature in oracle asm 12c?

1


How to invoke the original export import utilities?

503


20. Using a set operator, display the client number of all clients who have never placed an order.

1793


Is it possible to split the print reviewer into more than one region ?

1833






What is the difference between pre-select and pre-query?

617


What is an artificial (derived) primary key? When should an artificial (or derived) primary key be used?

290


How can you tell if a tablespace has excessive fragmentation?

309


What do you understand by database schema and what does it hold?

588


Describe the types of sub query?

546


15. Display the item_cost and then truncate it to the nearest hundred, ten, unit, tenth and hundredth.

1698


How to rebuild an index in oracle?

546


What is the use of lockboxes? : oracle accounts receivable

651


What is dual table oracle?

520


what is difference between inner join & nested query or subqueries

2480