why use cursors?

5 Answers   Oracle,

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What is crud sql?

0 Answers  

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Explain the working of primary key?

0 Answers  

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how can we destroy the session, how can we unset the variable of a session? : Sql dba

0 Answers  

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What is the limitation on the block size of pl/sql?

0 Answers  

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Can we have exception part in trigger ?

1 Answers  

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What is composite primary key in sql?

0 Answers  

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How do I remove all records from a table?

0 Answers  

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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.

2 Answers   Oracle,

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What are the main features of cursor?

0 Answers  

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select sal from emp group by sal

3 Answers   TCS,

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How many types of indexes are there in sql?

0 Answers  

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