Answer / abinash

yes we can have nested transaction.

A transaction is nothing a set of sql statement which either executes at a time or nothing will happen and we specify the transaction using Begin and End.

And also we can have multiple begin end (nested transaction) inside a transaction.

What are the key features of dbms?

0 Answers  

---

Hi , any one can help me on the same,this is regarding the Informatica Function doc,i want to know how developer is will develop the mapping. pl forwar the any function doc .just for my references. svlc75@yahoo.co.in

0 Answers   Covansys,

---

Why does this query return 0?

0 Answers  

---

Explain the family trees and connection by clause.

1 Answers  

---

what is the use of foreginkey

2 Answers  

---

---

Explain the role of indexing in databases?

0 Answers  

---

Explain about relational operator join?

0 Answers  

---

How do you implement one-to-one, one-to-many and many-to- many relationships while designing tables?

1 Answers   Flextronics, Hexaware, SQL Star,

---

What is the maximum length of an extended property?

0 Answers  

---

What are triggers? How many triggers you can have on a table?

2 Answers   Ramco,

---

Explain about the database management systems.

0 Answers  

---

What are cursors? Explain different types of cursors?

6 Answers  

---