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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 22081

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.

2414

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

2208

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

1 4521

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

3 5772

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

4 11813

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

2041

what is meaning of multimedia?

16 26868

what is autonomouse transaction?

3 8088

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

3 15590

What is workflow?Explain with a example?

2 9188

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 19527

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

4 12590

How to Select second Maximum salary in a Table ?

13 15342

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

2 4935

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Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

1802

What are the important sub-modules in sap hr?

967

Do threads share page table?

781

What is the purpose of a classifier?

What are the environments you support?

770

What is the layered architecture of the internet?

914

Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1967

Explain caching in html5 and html?

885

hi , anyone plz end nic model papers to my id

2273

EXPLAIN WHY YOU CONSIDER YOURSELF SUITED FOR THIS POSITION:

3925

How to create a scenario?

1015

Explain are there advantages or disadvantages to using bea web logic over ibm web sphere or vice versa?

881

hi what is called GUI in QTP 8.2 and how can we test the apllication using GUI?

2307

How to calculate mmwc values into tonnes?

1209

What is replace function in excel?

620