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

Oracle General (1809)
Oracle DBA (Database Administration) (261)
Oracle Call Interface (OCI) (10)
Oracle Architecture (90)

Oracle Interview Questions

Questions Answers Views Company eMail

how to find find & delete duplicate rows from two different tables?

3 11808

i want to print the employee details on department wise with group above report with the fields DEPTNO------group above ENAME ------ SAL-------- COMM------ I WANT OUTPUT LIKE THIS ---------------------------------------------------------- 1)FIRST DEPTNO=10 EMPLOYEES DISPLAYED IN FIRST PAGE AND DEPTNO=20 EMPLOYEES DISPLAYED IN 2ND PAGE WHAT I HAVE TO DO OUTPUT ------- --FIRST_PAGE ----------- DEPTNO:10 ENAME SAL COMM KING 5000 A 2000 2222 ---- =- -- SECONDPAGE DEPTNO:20 ENAME SAL COMM MILLER 220 22 D 45 23 -- - - LIKE THE ABOVE PROCDURE REPORTS HOW MANY DEPARTMENTS ARE EXISITING IN EMP TABLE

2988

plz explain when we are using pre-query,post-query,pre-insert and post-insert?plz explain with one example

2 15906

• What is oracle Architecture?

3 6447

You have one employee table having 3 entries emp_id, Mgr_id and salary. Mgr_id is also referencing emp_id. so now find out the emp_id which are having the second highest salary, under a particular manager.

Amazon, HCL,

3 8695

how to hide the scroll bar in forms 6i

2 13490

I'm doing my final year and i ve planned to do an oracle certification , is this the rit tim nd wat's the future scope??

1 3441

How can I sum column wise in Oracle excel report?

1 5823

how to retrieve 1st and last row of table without using group functions??

6 8731

How to Identify the previously inserted/updated records in already populated table.

2729

Which is the cheapest and quality Oracle Education provider in Bangladesh?

1 3695

how can get like this result table A col1 col2 --- ----- a A b B C C .. .. .. ... .. ... wants result like for a single column col1 ------ a,b,c,........n of data and another is col1 ------- A B C D ........ a b b d ........

TCS,

2 5058

without using count(*) and rownum how can we count total record in a table

AC, HP,

5 10173

you are sorting a table using "order by"(descending) clause of a column which contains a null value...whether that row containing null value will come first or last in the output??

BirlaSoft,

2 5853

Which is the best institute in Hyderabad to learn OBIEE and DataStage?Please tell me faculty name also

2265

Un-Answered Questions { Oracle }

What is a canvas in oracle forms?

1066

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

643

What is the data pump import utility?

1035

How do I become a database administrator?

572

What is ODI console?

671

How to use attributes of the implicit cursor in oracle?

1008

What is meant by joins?

1060

How many types of table in Oracle?

1122

How to declare a local variable?

1115

Why do we need to rebuild indexes?

How do I use os authentication with weblogic jdriver for oracle and connection pools?

1051

Difference between negative and positive adjustments : oracle accounts receivable

1104

How can you tell if an index on particular table is used or not used in 9i?

564

What is Trigger in Oracle?

1171

What are internal user account in oracle?

1006

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