what is oracle sql,pl/sql with interfaces

2 Answers   TCS,

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How many sql are there?

0 Answers  

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How many types of relationship are there?

0 Answers  

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what are the different index configurations a table can have? : Sql dba

0 Answers  

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What does select top 1 do in sql?

0 Answers  

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How do you go back in sql?

0 Answers  

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What are the differences between in and exists clause?

0 Answers  

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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 Answers   Oracle, TCS,

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what is self join and how it works??

2 Answers   Infosys,

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what is 'force view'?

3 Answers   Cap Gemini, SPIC,

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What program will open a mdb file?

0 Answers  

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Is primary key clustered index?

0 Answers  

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