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Infosys Oracle General Interview Questions
Questions Answers Views Company eMail

How to create DSN..Explain?

2 18007

What are Clusters ?

5 6334

what is difference between foreign key and reference key

3 36694

what is unique key?

14 17755

what is the difference between primary key & foreign key?

57 106203





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 5841

structural difference between bitmap and btree index ?

1 10373

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

2 4534

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

4 9670

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 2592

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

1269

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

4 5181

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 2563

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.

306

Explain the use of Merge statement in oracle 11g

108

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Infosys Oracle General Interview Questions





Un-Answered Questions

Where is the Mapper Output intermediate kay-value data stored ?

674


What do you understand by the term citrix automation?

1


What is the meaning of conditional formatting in excel?

1


Give some example of large cloud provider and databases?

28


Is javascript becoming obsolete?

51






What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

2761


How do you compare two items in excel?

1


Mention what is the use of the static resource in salesforce?

5


State the main difference between c++ and java?

96


What are the charateristics of a day with day type 1?

80


What is the use of function "module procedure" in pl/sql?

73


What is tag in ela?

32


How does silverlight 2 differ from adobe flash?

1


What happens to a NameNode that has no data?

662


What is basic authentication?

78