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Infosys Oracle General Interview Questions
Questions Answers Views Company eMail

How to create DSN..Explain?

 2 17802

What are Clusters ?

 5 6169

what is difference between foreign key and reference key

 3 36460

what is unique key?

 14 17487

what is the difference between primary key & foreign key?

 57 105742




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 5777

structural difference between bitmap and btree index ?

 1 10297

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

 2 4468

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

 4 9581

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 2542

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

 1234

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

4 5116

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 2512

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.

 280

Explain the use of Merge statement in oracle 11g

 80

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Infosys Oracle General Interview Questions





Un-Answered Questions

Can developer modify the out-of-box workflows in sharepoint 2010?

33

What is a zed encoder? How does it work?

1335

what are the differences of software life cycle models

1280

What is the purpose of shortcut keys?

7

What is the difference between jms queue receiver and jms queue requestor?

37




Does mongodb support foreign key constraints?

1

What is bulk copy or bcp in oracle?

48

Find out the list of authorization objects which contains activity as a field? Thanks in advance.

1139

What is css and what are its advantages?

7

Why is it better to wrap items in combobox item?

7

What are respectively some remarkable functions of insulin?

53

How do you cover the logic of asynchronous methods in test class?

7

What is apache scoreboard?

26

Can you lock more than one database at the same time in mongodb?

1

Can we receive the goods before the scheduled delivery date in scheduling agreement?

78