Saturday, April 27, 2013

Create sequence with by Different ways and parameters

Following  post will  Help  you  to create  sequence  in oracle


Create SEQUENCE  Command
-----------------------------------------
Syntax:

CREATE SEQUENCE   SEQUENCE_NAME
MINVALUE  [-100 ]   //optional   [Can be  positive or Negative]
MAXVALUE [100]    //optional    [Can be  positive or Negative]
START WITH 0        //optional     [Can be  positive or Negative]
INCREMT BY 1      //optional      [Can be  positive or Negative]

-----------------------------------------
create sequence SqEmp
minvalue 1
maxvalue 500
start with 1
increment by 2


Above Image has  Create Command for Creating Sequence like [ 1,3,5,7,9....]   because   we  Increment Sequence by  "2"  so.. Here We define minimum value  is   1.
Maximum  value is 500 [Here maximum value will be  499].
sequence will no  display index value  more  than  500.

From Above  Image  you can  see that  we can create sequence  with  different style  and  different  parameters.
In a  Image[1]  we have parameter's start with in which we define

  1.  start with (1) 
  2.  increment by (1) 

  if  we Don't  assign such parameter it by default  take (1) for that parameters.

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