Why do we use sql constraints? Which constraints we can use while creating database in sql?

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what is 'trigger' in sql? : Sql dba

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what is the forward decleration in packages?

1 Answers  

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What is a cursor for loop ?

4 Answers  

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what is schema? : Sql dba

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What is difference between cursor and trigger?

0 Answers  

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How do sql databases work?

0 Answers  

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Given two tables Student(SID, Name, Course) and Level(SID, level) write the SQL statement to get the name and SID of the student who are taking course = 3 and at freshman level.

9 Answers   Oracle,

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i have a customer table. trans_id trans_date trans_amt debit_credit_indicator 001 01-JAN-13 1099 cr 001 12-JAN-13 500 db 002 24-FEB-13 400 db 002 23-MAR-13 345 cr 001 18-APR-13 800 cr 002 15-MAR-13 600 db 001 12-FEB-13 200 cr i want like this output. trans_id trans_amt debit_credit_indicator i want get highest credit amount and lowest credit amount and highest debit amount and lowest debit amount for each trans_id. pls give me answer. i want urgent

3 Answers  

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When is the explicit cursor used ?

0 Answers  

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What is cursor and why it is required?

0 Answers  

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can we call a procedure from a function?

9 Answers   Mind Tree,

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