declare l1 number := null; l2 number :=null; begin if l1=l2 then message('equal'); else if l1<>l2 then message('not equal'); else message('else'); end if; end if; end; What will be the output ?

7 Answers   Oracle,

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ex: take one schema in that t1,t2,.....tn tables and you don't no the table name also. write a procedure if enter columns name then display the maching columns .otherwise display the unmatch columns.

1 Answers   Zensar,

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what is the difference between group by and order by in sql? : Sql dba

0 Answers  

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What is oracle ? why we should go for oracle database instead of diffrent databases available in the industry.

5 Answers   Polaris,

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What is rollback?

0 Answers  

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what is autonomouse transaction?

3 Answers   Oracle,

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What is java sql connection?

0 Answers  

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What is a stored procedure ?

5 Answers  

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suppose we have values like 1 5 7 in a colum.Now we want numbers like(2 3 4 6) that exists between 1 5 7.How can we do this using sql query??

5 Answers   Keane India Ltd,

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What are field types?

0 Answers  

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What's the difference between a primary key and a clustered index?

0 Answers  

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how to write utl file pkg in SQL

1 Answers   Oracle,

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