What is nvarchar in sql?

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What is the importance of sqlcode and sqlerrm?

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what is a sub query?how will you calculate working days in a month using sub query?

4 Answers   InteQ,

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Write a pl/sql script to display the following series of numbers: 99,96,93……9,6,3?

1 Answers  

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What is trigger with example?

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What will you get by the cursor attribute sql%notfound?

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How do you retrieve the last N records from a table?

10 Answers  

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type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...

1 Answers   Satyam,

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Does sql backup shrink transaction log?

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What are the parameter modes supported by pl/sql?

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How do you exit in sql?

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What is CYCLE/NO CYCLE in a Sequence?

2 Answers  

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