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Infosys Oracle General Interview Questions

Questions Answers Views Company eMail

How to create DSN..Explain?

2 35866

What are Clusters ?

5 11198

what is difference between foreign key and reference key

3 42460

what is unique key?

14 27290

what is the difference between primary key & foreign key?

57 139213

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 8612

structural difference between bitmap and btree index ?

1 12217

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

2 7174

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

4 13440

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 4516

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

2341

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

4 8572

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 4389

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.

1398

Explain the use of Merge statement in oracle 11g

1083

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Infosys Oracle General Interview Questions

Infosys Oracle General Interview Questions (16)

Un-Answered Questions

What is a private class in java?

1127

Why is not all memory freed when Python exits?

923

Is it possible to determine header tasks automatically at save without selecting the save + determine tasks button?

918

What is a json parser?

Are the levels linked to job grades?

Why do we use static in c?

1181

What is an otr and mention its usage in webdynpro?

341

How do you flash fill in excel 2016?

650

How do you update a table in word?

638

What does drupal stand for?

What salary range are you looking for at Schlumberger?

1188

What does rownum mean in sql?

1093

What is the use of regression?

How is the process type definition used?

1508

How do I clear the screen in mysql?

1043