What is the difference between a primary key & a unique key?

0 Answers  

---

Difference between pre-select and pre-query

0 Answers  

---

difference between imlicit cursor and explicit cursor ?

5 Answers   Cap Gemini,

---

I have table-A(1,2,3)& table-B(3,4,5).what is the different b/w below questions? A union all B? B union all A?

2 Answers   Zensar,

---

One Table having two rows with one colomn having values Like"Male" and "Female". how to upadte these values Like "Female" and "Male" in single update statement.

6 Answers   Polaris,

---

What are the benefits of ordbms?

0 Answers  

---

ABOUT IDENTITY?

0 Answers   HCL,

---

What are the parameters that we can pass through a stored procedure?

0 Answers  

---

26. Display the earliest shipping date in the format: DD/MON/YYYY

5 Answers   Wipro,

---

How many different types of indexes we have in oracle?

24 Answers   IBM, TCS,

---

What is the difference between Sleep and Wait? (Java)

1 Answers   RBS,

---

What is ceil and floor in oracle?

0 Answers  

---