what is the difference between trigger and constraint?

3 Answers   HSBC,

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Why plvtab is considered as the easiest way to access the pl/sql table?

0 Answers  

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I Defined SP1, Sp2 (sp=StoreProcedures)In Package Specification but I Implemented Sp1, sp2, sp3, sp4, sp5 then What type of Error You will find????

3 Answers   Infosys,

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Who is the owner of mysql database?

0 Answers  

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What is data profiling in sql?

0 Answers  

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What does where 1/2 mean in sql?

0 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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define primary key & secondary key?

2 Answers  

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What is trigger explain it?

0 Answers  

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Why cross join is used?

0 Answers  

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How to add new employee details in an employee_details table with the following details

0 Answers  

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What is difference between CHAR and VARCHAR2?What is the maximum SIZE allowed for each type?

6 Answers   Saama Tech,

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