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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 22060

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.

2407

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

2202

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

1 4514

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

3 5759

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

4 11796

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

2038

what is meaning of multimedia?

16 26849

what is autonomouse transaction?

3 8082

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

3 15580

What is workflow?Explain with a example?

2 9177

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 19522

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

4 12574

How to Select second Maximum salary in a Table ?

13 15326

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

2 4927

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Un-Answered Questions

What do you mean by etl?

Define testing temperature?

U r project in which stage in implementation?

2467

What are the data controls available in asp.net?

934

What is a data collection table?

954

Are nested blocks allowed in blue prism?

424

Can I still update windows 7 to 10 for free?

786

name poneno dept sun 9894433467 computer This is the xls sheet a programs written to transfer this data into database write test cases and test scenario?

2342

how to suspend a heavy density powder in alcohol

2100

what are Important Points contracts in Laravel ?

1398

what are date and time functions in mysql? : Sql dba

935

If I spoke with your previous boss, what would he or she say are your greatest strengths and weaknesses?

3559

How would you design a gravity dam for holding back water?

1085

you added a row to a view, but the row is not shown on the view. Explain how this can happen, and how you can remedy the situation

900

Differences between external iteration and internal iteration?

1101