Differences between UNIQUE and DISTINCT in select statements

26 Answers   ABS, DELL, Deloitte, Hewitt, Oracle, Verinon Technology Solutions, Wipro,

---

type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...

1 Answers   Satyam,

---

What is a constraint? Tell me about its various levels.

0 Answers  

---

what are set operators in sql? : Sql dba

0 Answers  

---

need to split a string into seperate values. eg. col1 col2 ---------- 100 - 'a,b,c' 200 - 'a,x,b,d,e' 300 - 'c' result: value count ------------- a - 2 b - 1 c - 2 etc.

1 Answers  

---

What is a .db file?

0 Answers  

---

How well can multiple sessions access the same data simultaneously ?

1 Answers   Oracle,

---

Can we use update in sql function?

0 Answers  

---

What are the two types of cursors in pl sql?

0 Answers  

---

How do you write an inner join query?

0 Answers  

---

How to call shell script from pl sql procedure?

0 Answers  

---

2. Select A.A from ( select 1 as from dual Union select 1 as from dual)A Full outer join ( select 1 B from dual Union select 2 B from dual)B On A.A=B.B

2 Answers   Fintellix,

---