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Oracle Interview Questions
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Create table emp (id number(9), name varchar2(20),salary number(9,2)); The table has 100 records after table created.Now i nee to change id's Datatype is to be Varchar2(15). now Alter table emp modify(id varchar2(15),name varchar2(20), salary number(9,2)); Whether it will work or returns error? post answer with explanation.

13 14386

1) Difference between "Delete" and "Concatenate" with reference to databases? 2) Difference between SDLC and STLC. 3) Latest versions of the browsers used. 4) What is URL Tampering? 5) Full form of URL. I don't need the answers. These are just for reference.


Could you please let me know the interfaces in OM / FA??


can u tell me how many types of oracle and which type all detail in oracle (suppose all history of oracle )

1 2815

How do we use in the begining of any HTML page.

3 3266

What is a temp table? how to denote temp table?

4 8423

can anyone give FULL DETAILS on ATM scenarios, test cases and test cases PURPOSES


what is meaning of multimedia?

16 18016

what is autonomouse transaction?

3 5712

write a script to check whether user enter a value is a leap year or not?

3 11391

What is workflow?Explain with a example?

2 6911

ORA-1688: unable to extend table SYS.WRH$_ACTIVE_SESSION_HISTORY partition WRH$_ACTIVE_3970712838_6793 by 128 in tablespace SYSAUX? What is the solution for this issue?

2 15257

proc means? proc sort? proc append? proc freq? proc print? proc content?

4 9169

How to Select second Maximum salary in a Table ?

13 8154

Which Functions Using Integer ==> String's i.e 2 ==> Two... Like that string's ==> integer values ? It is Possible ?

2 2706

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Oracle Interview Questions

Un-Answered Questions

Is the Indian economy in the developing, underdeveloped or the developed state?


Can a material be used after flagging it for deletion?


Is django better than php?


What is the project you are currently working and work that you are doing


How much load can take a 16 mm aluminum cable 3 phase


What is auto increment?


What is the difference between ListView and SummaryView ?


what would a proxy server do? what is primary domain controller? what is DNS?how does it differ froma DHCP?


What is a session? Can you share a session object between different theads?


Explain your approach to managing important projects?


What are containers?


What is sosl and soql in salesforce?


How do I memorize a powerpoint presentation?


How to perform system maintenance?


any meter avilable for measureing the Transformer Losses. ( like Voltmeter for voltage & ammiter for currenr )if yes plz give the make & supplier address, Email, Phone number.