Is big data nosql?

0 Answers  

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Differentiate between % rowtype and type record.

0 Answers  

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How to get second highest salary from a table

3 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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Which is better join or inner query?

0 Answers  

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What is having clause in sql?

0 Answers  

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wht is the difference between sqlaserver2000 and 2005

1 Answers   ABC, IBM,

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what is purge command explain about oracle performance tuning

2 Answers   Accenture, eCentric Solutions,

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What are some predefined exceptions in pl/sql?

0 Answers  

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Explain the difference between 'between' & 'and' operators in sql

0 Answers  

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What is difference between primary and secondary key?

0 Answers  

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What is Histogram?

0 Answers   NIIT,

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