There is a sequence with min value 100.
I want to alter this sequence to min value as 101.
If the table has already data in the sequence column as
100,101,102...
Is it possible to do so ?
Answers were Sorted based on User's Feedback
Answer / kiran kumar
The START WITH Value can not changed using ALTER SEQUENCE
command. The sequence must be dropped and recreate a
sequence in different number.
Is This Answer Correct ? | 20 Yes | 1 No |
Answer / ranvijay
we can only alter MINVALUE,MAXVALYE,Incremented by and
CACHE of sequence.but not alter START WITH.
Alter sequence sequanceName
incremented by 2
minvalue 101;
Is This Answer Correct ? | 6 Yes | 4 No |
Answer / pradeep
Or other way around can be rename the current sequence and
create new sequence with the desired values;
SQL> CREATE SEQUENCE SEQ_TET INCREMENT BY 1 START WITH 100
MAXVALUE 1000000 MINVALUE 99;
Sequence created.
SQL> rename SEQ_TET to seq_test;
Table renamed.
SQL> select * from user_sequences;
SEQUENCE_NAME MIN_VALUE MAX_VALUE
INCREMENT_BY C O CACHE_SIZE
------------------------------ ---------- ---------- -------
----- - - ----------
LAST_NUMBER
-----------
SEQ_TEST 99
1000000 1 N N 20
100
Is This Answer Correct ? | 1 Yes | 1 No |
Answer / lova raju allumalla
WE CANNOT ALTER A SEQUENCE START NUMBER BUT IF U WANT TO
CHANGE THE EXISTING DATA IN THE TABLE THEN
ASSUME U HAVE EMPLOYEE TABLE WHERE EMPNO BEGINS WITH 100
UPDATE EMPLOYEE SET EMPNO = EMPNO + 1 WHERE EMPNO IN
(SELECT EMPNO FROM EMPLOYEE);
Is This Answer Correct ? | 0 Yes | 2 No |
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