How do I add a primary key to a table?

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what is oracle sql,pl/sql with interfaces

2 Answers   TCS,

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What is the difference between the implicit and explicit cursors?

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i have a table like this. i want to output like this c1 c2 c1 c2 1 10 1 10 2 20 2 30 3 30 3 60 4 40 4 100 5 5 5 105 c1 and c2 are columns in a table .i want output like this c2 values are 10,10+20,10+20+30,10+20+30+40.10+20+30+40+5. write a sql query.pls help this i want urgent.

2 Answers   IBM, Loginworks, OFSS,

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Where are my tempfiles, I don't see them in v$datafile or dba_data_file?

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What is integrity in sql?

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What is parameter substitution in sql?

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what are set operators in sql? : Sql dba

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What is sql mysql pl sql oracle?

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what are tables and fields? : Sql dba

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what is self-join? : Sql dba

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What is sql entity?

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