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Infosys Oracle General Interview Questions

Questions Answers Views Company eMail

How to create DSN..Explain?

2 35680

What are Clusters ?

5 10917

what is difference between foreign key and reference key

3 42238

what is unique key?

14 26788

what is the difference between primary key & foreign key?

57 137042

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 8470

structural difference between bitmap and btree index ?

1 12122

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

2 6921

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

4 13286

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 4422

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

2263

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

4 8409

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 4284

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.

1339

Explain the use of Merge statement in oracle 11g

1020

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Infosys Oracle General Interview Questions

Infosys Oracle General Interview Questions (16)

Un-Answered Questions

Tell me how do you execute a php script from the command line?

989

What value does readline() return when it has reached the end of a file?

1078

how convert sqft into cubic meter and cubic meter into sqft

1570

How is mapping of name of dll and function done?

What is the farm in sharepoint?

802

What are the benefits of using dependency injection?

412

Explain why vestigial side band is used in tv signal transmission?

1027

procedure to get Raw Material free of excise duty under Central Excise Act,

1815

What is a follow link?

777

What makes you stay here for longer years?

2100

What is mysql_real_escape_string used for?

973

What does the menu key do?

578

How can you distribute tasks in go to different machines?

What is the effect of business cycles on the economy?

1101

What are some common social media marketing mistakes business make?

440