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Infosys Oracle General Interview Questions

Questions Answers Views Company eMail

How to create DSN..Explain?

2 35509

What are Clusters ?

5 10664

what is difference between foreign key and reference key

3 42062

what is unique key?

14 26352

what is the difference between primary key & foreign key?

57 135084

How can we manage the gap in a primary key column created by a sequence? Ex:a company has empno as primary key generated by a sequence and some employees leaves in between.What is the best way to manage this gap?

2 8347

structural difference between bitmap and btree index ?

1 12053

how to retrieve daily sal from emp table in oracle 10g

2 6694

which language is used to develop the oracle........?

4 13128

SQL> CREATE TABLE to_table 2 (col1 NUMBER); Table created. SQL> CREATE OR REPLACE TRIGGER statement_trigger 2 AFTER INSERT ON to_table 3 BEGIN 4 DBMS_OUTPUT.PUT_LINE('After Insert Statement Level'); 5 END; 6 / Trigger created. SQL> CREATE OR REPLACE TRIGGER row_trigger 2 AFTER INSERT ON to_table 3 FOR EACH ROW 4 BEGIN 5 DBMS_OUTPUT.PUT_LINE('After Insert Row Level'); 6 END; 7 / Trigger created. SQL> INSERT INTO TO_TABLE VALUES(1); After Insert Row Level After Insert Statement Level 1 row created. SQL> BEGIN 2 INSERT INTO TO_TABLE VALUES(2); 3 INSERT INTO TO_TABLE VALUES(3); 4 INSERT INTO TO_TABLE VALUES(4); 5 INSERT INTO TO_TABLE VALUES(5); 6 INSERT INTO TO_TABLE VALUES(6); 7 INSERT INTO TO_TABLE VALUES(7); 8 INSERT INTO TO_TABLE VALUES(8); 9 INSERT INTO TO_TABLE VALUES(9); 10 INSERT INTO TO_TABLE VALUES(0); 11 END; 12 / WAT LL BE THE O/P??? XPLAIN IT>>>>

1 4318

What query tells you how much space a tablespace named test is taking up, and how much space is remaining?

2210

Q) How to Find Max Date from each Group? (Asked in Infosys (INFI)Interview)

4 8238

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?

1 4207

Is there any way to find out when one specific table/view/M-view is used last time. i.e. when one specific object is used in any SELECT statement.

1291

Explain the use of Merge statement in oracle 11g

978

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Infosys Oracle General Interview Questions

Infosys Oracle General Interview Questions (16)

Un-Answered Questions

What are the different loops in php?

1002

What is a dbml?

848

How does ejbs work?

880

How do perform drag and drop using selenium webdriver?

874

As couchdb is written in erlang and erlang is known as slow to adopt unicode. So, if it creates a problem for couchdb?

What is REPO rate and reverse REPO rate

1045

what is the difference between pre-emphasis and modulation?

2062

Why would a component need multiple windows ?

304

What is a defined name in excel?

652

Temperature closer for brazing operation is-------

1517

How to get requested path in laravel?

717

Write a program to print fibonacci series up to count 10.

854

Which is better hashmap or treemap?

918

What is the quicktest professional (qtp) testing process?

956

What is the mainframe computer?

901