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Infosys Oracle General Interview Questions

Questions Answers Views Company eMail

How to create DSN..Explain?

2 35724

What are Clusters ?

5 10963

what is difference between foreign key and reference key

3 42282

what is unique key?

14 26882

what is the difference between primary key & foreign key?

57 137399

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 8484

structural difference between bitmap and btree index ?

1 12139

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

2 6949

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

4 13318

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 4444

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

2276

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

4 8441

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 4299

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.

1350

Explain the use of Merge statement in oracle 11g

1029

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Infosys Oracle General Interview Questions

Infosys Oracle General Interview Questions (16)

Un-Answered Questions

Describe the process of creation and destruction of a derived class object?

1120

What are the key components of Bootstrap?

Can you provide an overview of the properties and characteristics of Protactinium and its placement in the periodic table?

657

What is normalization in dbms?

929

Can you override css?

630

What is scope of a variable?

1099

how to assign poller for mib graphing in itnm?

986

Does microsoft edge come with windows 10?

832

Explain triggers?

1009

IN SQL SERVER 2005, With out using Query, hw can u break down USER NAME & PASSWORD to enter the software.

2217

What is artisan in laravel?

716

What is static prompt in microstrategy?

975

What is dependency exclusion?

182

How do I install apache?

971

How do you convert boolean to boolean?

1162