If we declare constraints Unique and Not null on a single column then it will act as a Primary key, so what is the use of primary key??

3 Answers  

---

What types of commands can be executed in sql*plus?

0 Answers  

---

What is oracle sql developer?

0 Answers  

---

What is pl sql record in oracle?

0 Answers  

---

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  

---

Do stored procedures prevent sql injection?

0 Answers  

---

Is stored procedure faster than query?

0 Answers  

---

Is merge a dml statement?

0 Answers  

---

Explain the purpose of %type and %rowtype data types with the example?

0 Answers  

---

What is acid property in a database?

0 Answers  

---

How can we overcome recursive triggers in SQL?

1 Answers   iFlex,

---

How to display the current date in sql?

0 Answers  

---