Can primary key be changed?

0 Answers  

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How to add Foreign key in a table after the creation of the table?

5 Answers   Satyam,

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please explain database architecture..

1 Answers   Infosys,

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Enlist some predefined exceptions?

0 Answers  

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what is top in tsql? : Transact sql

0 Answers  

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how to delete duplicate rows from a join tables(I have three tables on that join) how do you know which join is need to be used? The select statement I have is: SELECT gc_skill_type.skill_type, gc_area_tec.area, gc_technology.technology, gc_technology.id_technology, gc_area_tec.id_area_tec FROM gc_skill_type, gc_area_tec, gc_technology WHERE gc_area_tec.id_skill_type (+) = gc_skill_type.id_skill_type AND gc_technology.id_area_tec (+) = gc_area_tec.id_area_tec order by gc_skill_type.skill_type asc, gc_area_tec.area asc, gc_technology.technology asc

1 Answers   IAS,

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How to add a column ‘salary’ to a table employee_details?

0 Answers  

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What is an alias command?

0 Answers  

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What packages(if any) has oracle provided for use by developers?

1 Answers  

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difference between cursor and procedure in a package

3 Answers   PCS,

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What is a table partition?

0 Answers  

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What is difference between hql and native sql?

0 Answers  

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