What are the disadvantages of file system?

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how to find the First and Last Observation from the table: Ex: OBS Name Sal Ans like: OBS Name Sal 105 E 5000--> 105 E 5000 102 B 2000 104 D 4000 103 C 3000 101 A 1000--> 104 D 4000

4 Answers  

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What is the difference between mdf and ndf files?

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Can a foreign key be null?

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How does sql*loader handles newline characters in a record? : aql loader

0 Answers  

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diff b/w sub query and co-relater query?

3 Answers   iFlex,

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How to get the procedure's, function's name from a package if it is wrapped(both spec & body).

2 Answers  

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table name: prod there are three fields in the table that are 1.proddate 2.prodQty 3.model Day wise prodQty is stored in the table prod write a query to display total prodqty in the year 2004 april.

2 Answers   Maruti Suzuki,

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

0 Answers  

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Table name: T1, it has only one column. col1 ------ c b a b b b b d s a a t s Requirement: I need the following output from the above base table by using SQL query. col1 Cnt ----- ------- a 3 b 5 Others 5 Please help. Thanks Guru v.gurus@in.com

11 Answers  

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Mention what are different methods to trace the pl/sql code?

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What are code pages ?

1 Answers   BirlaSoft,

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