What is the difference between cluster and non-cluster index?

0 Answers  

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what is difference between "Primary key" and "Unique key"?

4 Answers   PreVator,

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What is the difference between UNIQUE KEY and UNIQUE INDEX?

3 Answers   TCS,

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What are the different sql commands?

0 Answers  

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What is cte?

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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Explain the structure of pl/sql in brief.

0 Answers  

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How did you export data from database to excel file.

1 Answers   TCS,

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What are two statement types in sql?

0 Answers  

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In a table only one column how to update rows

5 Answers   Microsoft,

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What is full form of rtm?

0 Answers  

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How to set up sql*plus output format in oracle?

0 Answers  

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