Answer Posted / o.nagamani

View is a virtual storage of the original table.It is the
one kind of data hiding.

Advantages of View:
1. Restrict Data Access and/or simplify data access.
2. Simplify Data manipulation.
3. Import and Export data.
4. Merge Data.

> CREATE OR REPLACE FUNCTION FACTORIAL_1(factstr varchar2 ) 2 RETURN NUMBER AS 3 new_str VARCHAR2(4000) := factstr||'*' ; 4 fact number := 1 ; 5 BEGIN 6 7 WHILE new_str IS NOT NULL 8 LOOP 9 fact := fact * TO_NUMBER(SUBSTR(new_str,1,INSTR(new_str,'*')-1)); 10 new_str := substr( new_str,INSTR(new_str,'*')+1); 11 END LOOP; 12 13 RETURN fact; 14 15 END; explanation Above program?

1979

---

Can you drop an index associated with a unique or primary key constraint?

963

---

What is oracle in java?

906

---

What happens if the imported table already exists?

970

---

How to open and close an explicit cursor in oracle?

994

---

types of indexes and the rationale behind choosing a particular index for a situation.

2443

---

What is a cognitive schema?

905

---

What is an oracle?

955

---

what is a Nested Loop join?

2038

---

How to use "in out" parameter properly?

997

---

What suggestions do you have to reduce the network traffic?

896

---

Explain about achiever in sql?

978

---

what is the use of system.effective.date variable in oracle?

1051

---

How can we find out the duplicate values in an oracle table?

992

---

What is a table index?

1011

---