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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 15696

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 3109

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

3 3758

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

4 8976

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


what is meaning of multimedia?

16 19482

what is autonomouse transaction?

3 6141

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

3 12816

What is workflow?Explain with a example?

2 7330

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 16243

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

4 9785

How to Select second Maximum salary in a Table ?

13 9275

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

2 3049

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Oracle Interview Questions

Un-Answered Questions

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What is 5NF?


what is counter poise conductors


Which of the following commands can be run in bootstrap mode?


Do you know psworklist record is used for workflow routing. It should contains minimum of?


why the heat energy is transferred when the temperature difference is there?


How do I find my windows 10 license key?


What is use of tJavaFlex?


How to import multiple xls files into sas. Out of those files, how to get different values from a single variable and how to find number of rows per value type? We can do this using group by for one xls file with proc sql. Was wondering how I can achieve this for multiple files at the same time. Any ideas?


Define sets?


Can excel pull data from access?


Mention the components in blue prism


Why are steel plates inserted inside bearings in elastomeric bearings?


What is uri routing?