What is the difference between CHAR and VARCHAR2? If VARCHAR2 serves the uses of CHAR why CHAR is still used and not been discarded yet?

9 Answers   Oracle,

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Is it possible for a table to have more than one foreign key?

0 Answers  

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What is the use of double ampersand (&&) in sql queries? Give an example

0 Answers  

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if table named a is there and 4 records are there then how to swap (1 and 3) and (2 and 4) records at a time

1 Answers  

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What is view explain with example?

0 Answers  

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3. Select sum(a) sum_1,max(a) max_1 ,count(a) count_1 from ( ( select 1 a from dual union all Select to_number(‘2011’) a from dual union all select 1 a from dual) union select 2 b from dual);

1 Answers   Fintellix,

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what is the forward decleration in packages?

1 Answers  

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Is sql a oracle?

0 Answers  

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What is magic table?

6 Answers  

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what is rollback? : Sql dba

0 Answers  

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What are different types of sql commands?

0 Answers  

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What is raid? How does it help storage of databases?

0 Answers  

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