Oracle Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Oracle General (1809)
Oracle DBA (Database Administration) (261)
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Oracle Interview Questions

Questions Answers Views Company eMail

what is the diffrence between before parameter form triger & formate trigger

2 4366

How can I convert single byte kana characters into multi byte kana characters and vice-versa.

2397

In SAP ECC 6.0 , under DB02 tcode , Tablespace name to be explain stepy step all the col

4174

How to restrict the duplicate records in table valuesets

IBM,

2 7297

how to pass 2 variables from one form to other form

Intelligroup,

2 8048

What is Virtual Memory?

1 4050

What is the disadvantage of User defind function?

CybAge,

2294

Please explan Why static query is more faster than dynamic query ?

2 7137

i want print character reports in 10g application reports pl help me my id is yoga.roh@gmail.com

3 8039

How do u print the data horizantally by using XML report? EX:Suppose there is one table names as SAMPLE in that we have only two columns say empno,ename.I want the output like this,At run time user may enter 3 colums(i.e to data print horizantally). empno ename empno ename empno ename 100 aaa 101 bbb 102 ccc 103 ddd 104 eee 105 fff

Intelligroup, TTPL,

2216

In Exception handling if we are using the when others first then what happens . whether it will show the compiler error

HCL,

2 12598

> CREATE OR REPLACE FUNCTION FACTORIAL_1(factstr varchar2 ) 2 RETURN NUMBER AS 3 new_str VARCHAR2(4000) := factstr||'*' ; 4 fact number := 1 ; 5 BEGIN 6 7 WHILE new_str IS NOT NULL 8 LOOP 9 fact := fact * TO_NUMBER(SUBSTR(new_str,1,INSTR(new_str,'*')-1)); 10 new_str := substr( new_str,INSTR(new_str,'*')+1); 11 END LOOP; 12 13 RETURN fact; 14 15 END; explanation Above program?

2032

query optmization techniques and quwry analyser+projects+ppts

2421

Hi how Can I Add A Foreign key that references a table that has composit primary key ? example i had costumer table that has C_Id and SSN Both as PK and another table has C_Id that must refernece C_Id in Customers i done the usual way and got oracle error message about uniqeness any ideas plz

2 4484

how to find the n'th highest salary from emp ?

10 12556

Un-Answered Questions { Oracle }

Explain table?

1118

Explain the various types of canvas in form.

How to install oracle odbc drivers?

1093

What are the oracle built-in data types?

1073

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

550

What are named parameters?

1093

What is CDC and explain complete CDC process flow?

592

Explain index?

1261

What is the history of ODI?

652

What is an index associated with a constraint?

1040

What are the Features of Forms 6i over 4.5? What are the Features of Forms 10g? What are the Features of Reports 6i? What are the Features of Reports 10g ?

4617

How to update values in a table in oracle?

1026

How to avoid duplicate entries in the forms?

What are the differences between date and timestamp in oracle?

1046

What is query image?

981

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