In table three columns with 1 milion records(here there is no sequence values) i want add one more column with sequence values from the first how it is posible?

4 Answers   Tech Soft,

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What is a composite primary key?

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What does varchar include?

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Are left and right joins the same?

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Explain the advantages and disadvantages of stored procedure?

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What are pl/sql cursors?

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what is the difference between join and union? : Sql dba

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Who developed sql?

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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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can i give user defined exception in a package

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How do I run sql?

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How we get all_group_function's(Sum,avg,count,max and min_value of a column(Sal) Using pl/sql anonymous block, with out using group function's. You shouldn't use more than one select statement in entire the program. Like cursor c is select * from <table_name>; except this you can't use another select statement. You can use no of variables as per requirement.

1 Answers  

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