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Oracle General Interview Questions
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After using set unused can we enable the column again to use? Please give me some answers....

Maveric,

1 4032

what is the difference between no rows returned and null returned?

 2 4485

how to genarate random numbers in oracle for particular row?

 3 6448

What is use of oracle?

Satyam,

2 4485

i can't insert column value greater than 4000 characters at one instance even i am using CLOB datatype . how to insert efficiently more than 4000 characters ? And please let me know how to impose inline and out-of line constraints on oracle column??? Thanks in Advance... Prakash

 2 9142

Her departmandaki isçilerden empno' su ikinci sirada olan isçilerin empno, deptno, hiredate, sira_no bigilerini döndüren sorguyu yaziniz?

 1567

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>>>>

Infosys,

1 3472

interview questions with answer for cts

Cognizant,

2090

What is the difference between alert log file and trace file ?

 1 25869

What is the difference between alert log file and tarce file ?

TCS,

1634

what is normalisation?what are its uses?

1763

How many memory layers are in the shared pool?

 1 4239

How do you find out from the RMAN catalog if a particular archive log has been backed-up?

 1661

How can you tell how much space is left on a given file system and how much space each of the file systems subdirectories take-up?

 2395

Define the SGA and: How you would configure SGA for a mid-sized OLTP environment? What is involved in tuning the SGA?

 1860

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Un-Answered Questions { Oracle General }

what are the default admin accounts in Oracle 10g ?

511

what are the advantages of running a database in archive log mode?

1735

How to Truncate Table in Oracle

657

Can you tell me how to add new column in existing views?how?How is possible?

942

What is oracle and what are its different editions?

581




Explain oracle’s server parameter file.

567

Design database draw er diagram for a certain scenario ?

4105

What is meant by a deadlock situation?

577

you are a universe designer and report developer in BO, what type of information you gather from client?Briefly explain plz

1564

How to find the duplicate rows count from employees table in oracle?

554

Can the query output be sorted by multiple columns in oracle?

574

Is truncate autocommit in oracle?

641

What is the difference between a user and a schema in oracle?

564

Is oracle an operator?

534

What is SQL access advisor in Oracle?

633

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