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Infosys Oracle General Interview Questions

Questions Answers Views Company eMail

How to create DSN..Explain?

2 35746

What are Clusters ?

5 10987

what is difference between foreign key and reference key

3 42306

what is unique key?

14 26938

what is the difference between primary key & foreign key?

57 137635

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 8497

structural difference between bitmap and btree index ?

1 12152

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

2 6963

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

4 13344

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 4456

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

2286

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

4 8464

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 4314

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.

1359

Explain the use of Merge statement in oracle 11g

1035

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Infosys Oracle General Interview Questions

Infosys Oracle General Interview Questions (16)

Un-Answered Questions

How to generate the report from excel sheet?

1190

What are the different types of security you have worked in obiee?

796

A problem solving approach works well for a) 8-Puzzle problem b) 8-queen problem c) Finding a optimal path from a given source to a destination d) Mars Hover (Robot Navigation)

3214

What is lazy loading in php?

972

what is the procedure to appoint an Austrlian citzen as indian company director...

1792

What are bash scripts used for?

1096

Explain jsp lifecycle methods?

1007

In block work seawalls what is the purpose of slip joints?

1245

Is special character in java?

1110

Difference between sql and mysql?

2104

What are level metrics? Why are they needed?

1049

How do I add a column to an excel spreadsheet?

657

What is the role of SEBI?

1071

Where caching configuration is stored?

330

What is contextpath in jsp?

951