Why do we need view in sql?

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What is Referential Integrity?

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Which is better join or inner query?

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What is having clause in sql?

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What are the sql versions?

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How to convert lowercase letters to uppercase and uppercase letters to lowercase in a string. (ex, AbcdEfG should convert as aBCDeFg)

3 Answers   TCS,

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what is difference between pass by value and eference by value in oracle plsql

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Why do we need pl sql?

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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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What is the difference between delete, truncate and drop command?

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What are the query optimization techniques?

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What is a cursor for loop ?

4 Answers  

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