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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 21976

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.

2400

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

2186

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

1 4502

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

3 5741

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

4 11773

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

2022

what is meaning of multimedia?

16 26747

what is autonomouse transaction?

3 8055

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

3 15558

What is workflow?Explain with a example?

2 9147

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 19494

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

4 12539

How to Select second Maximum salary in a Table ?

13 15218

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

2 4905

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On the off chance that there is a quick need for answers to business questions, which device you would run with? : sap bobi

979

which is the simplest file structure? (Sequential, indexed, random)

1202

purpose of assigning Field Status Variant to Company code??

1732

Can you edit data in repeater control? How?

915

What are the fetching strategies supported by hibernate?

369

what is the use of psapundo tablespace? what is the error ora -01555 represents.how can u prevent this error?

12052

If you see statistics that deal with "undo" what are they really talking about?

603

What is a list c++?

1071

How to remove values to a python array?

1595

How to create an input box?

1032

What Contains in Business Design Document?

2389

What is solver used for in excel?

606

How can I load data from a text file into a table?

942

What are the unary operations in Relational Algebra?

776

You want to find out which users have an access to a particulat transaction. How would you do that?

1040