how to convert .db (extention) database file into .dmp (extention ) for oracle database ?

0 Answers   EDC,

---

Explain what are synonyms used for?

0 Answers  

---

how can db_files > maxdatafiles since db_files is for instance and the later is for database

0 Answers   CTS,

---

What is an external table?

0 Answers  

---

What are the arithmetic operations?

0 Answers  

---

Difference between the “verify” and “feedback” command?

0 Answers  

---

which is best insttute for teradata,sybase,mysql,oracle in hyderabad

1 Answers  

---

what are indexes..how many types of index's are there and what are they?

7 Answers   Green Info Solutions, TCS,

---

WHAT IS THE DIFFERENCE BETWEEN PRIMARY KEY(PK) CONSTRAINT AND UNIQUE KEY(UK) + NOT NULL(NN) CONSTRAINT ASSIGN TO A COLUMN ? INSTEAD OF ASSIGNING PK ,WE CAN ASSIGN UK + NN TO A COLUMN. WHAT ARE THE MARRITS AND DEMARITS BETWEEN THE ABOVE TWO?THE ABOVE TWO ARE SAME,THEY DON'T ALLOW DUPLICATE AS WELL AS NULL VALUES.

3 Answers  

---

2. Display the item number and total cost for each order line (total cost = no of items X item cost). Name the calculated column TOTAL COST.

2 Answers   Wipro,

---

How to use select statement to count the number of rows in oracle?

0 Answers  

---

Explain about the analyze command in oracle?

0 Answers  

---