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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 22070

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.

2412

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

2206

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

1 4518

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

3 5768

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

4 11805

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

2040

what is meaning of multimedia?

16 26861

what is autonomouse transaction?

3 8083

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

3 15585

What is workflow?Explain with a example?

2 9185

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 19526

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

4 12584

How to Select second Maximum salary in a Table ?

13 15336

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

2 4934

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Un-Answered Questions

what is 'mysqlshow'? : Sql dba

984

how to read the drawings to find the quantity of steel in a storm water manhole or any other structure?

2555

how can i pass a "cript"as a parameter in to a function

1951

How do I know what version of windows 1903 I have?

780

How can I get the ascii code for a character in c#?

1023

What is msvcp140 dll used for?

944

Enlist major matchers available in jasmine?

763

Which drush commands you use while development?

252

On a system with paging, a process cannot access memory that it does not own why? How could the operating system allow access to other memory? Why should itor should it not?

851

Explain the difference between singleton and prototype bean in spring?

337

Is arraylist ordered in java?

1052

Is natural join and equi join same?

921

How do you debug a program in python? Is it possible to step through python code?

865

What are the types of files you can load data from?

What are the difference between inline css & internal css?

605