Generate a sequence number for every 3 rows in SQL
up vote
3
down vote
favorite
1
I need to generate a sequence number for every three rows with some range. can this be done without iterations.
Example:
sequence
--------
1
1
1
2
2
2
3
3
3
sql
sql-server tsql edited Nov 22 at 5:37
Cœur
17.1k9102140
asked Jan 1 '15 at 4:17
saran
255
add a comment |
up vote
3
down vote
favorite
1
I need to generate a sequence number for every three rows with some range. can this be done without iterations.
Example:
sequence
--------
1
1
1
2
2
2
3
3
3
sql
sql-server tsql edited Nov 22 at 5:37
Cœur
17.1k9102140
asked Jan 1 '15 at 4:17
saran
255
There is still problem.you have not mention in which scenario you want such sequence. What is the actual query like ?Knowing that can make query easier .
– KumarHarsh
Jan 2 '15 at 6:29
add a comment |
up vote
3
down vote
favorite
1
up vote
3
down vote
favorite
1
1
I need to generate a sequence number for every three rows with some range. can this be done without iterations.
Example:
sequence
--------
1
1
1
2
2
2
3
3
3
sql
sql-server tsql edited Nov 22 at 5:37
Cœur
17.1k9102140
asked Jan 1 '15 at 4:17
saran
255
I need to generate a sequence number for every three rows with some range. can this be done without iterations.
Example:
sequence
--------
1
1
1
2
2
2
3
3
3
sql
sql-server tsql sql
sql-server tsql edited Nov 22 at 5:37
Cœur
17.1k9102140
asked Jan 1 '15 at 4:17
saran
255
edited Nov 22 at 5:37
Cœur
17.1k9102140
asked Jan 1 '15 at 4:17
saran
255
edited Nov 22 at 5:37
Cœur
17.1k9102140
edited Nov 22 at 5:37
Cœur
17.1k9102140
edited Nov 22 at 5:37
Cœur
17.1k9102140
17.1k9102140
asked Jan 1 '15 at 4:17
saran
255
asked Jan 1 '15 at 4:17
saran
255
asked Jan 1 '15 at 4:17
saran
255
255
There is still problem.you have not mention in which scenario you want such sequence. What is the actual query like ?Knowing that can make query easier .
– KumarHarsh
Jan 2 '15 at 6:29
add a comment |
There is still problem.you have not mention in which scenario you want such sequence. What is the actual query like ?Knowing that can make query easier .
– KumarHarsh
Jan 2 '15 at 6:29
There is still problem.you have not mention in which scenario you want such sequence. What is the actual query like ?Knowing that can make query easier .
– KumarHarsh
Jan 2 '15 at 6:29
There is still problem.you have not mention in which scenario you want such sequence. What is the actual query like ?Knowing that can make query easier .
– KumarHarsh
Jan 2 '15 at 6:29
add a comment |
1 Answer
1
active
oldest
votes
up vote
17
down vote
accepted
Use this Analytic function
SELECT ( ( Row_number()OVER(ORDER BY order_by_column ) - 1 ) / 3 ) + 1 seq_no,
*
FROM tablename
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
3
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
add a comment |
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
17
down vote
accepted
Use this Analytic function
SELECT ( ( Row_number()OVER(ORDER BY order_by_column ) - 1 ) / 3 ) + 1 seq_no,
*
FROM tablename
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
3
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
add a comment |
up vote
17
down vote
accepted
Use this Analytic function
SELECT ( ( Row_number()OVER(ORDER BY order_by_column ) - 1 ) / 3 ) + 1 seq_no,
*
FROM tablename
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
3
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
add a comment |
up vote
17
down vote
accepted
up vote
17
down vote
accepted
Use this Analytic function
SELECT ( ( Row_number()OVER(ORDER BY order_by_column ) - 1 ) / 3 ) + 1 seq_no,
*
FROM tablename
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
Use this Analytic function
SELECT ( ( Row_number()OVER(ORDER BY order_by_column ) - 1 ) / 3 ) + 1 seq_no,
*
FROM tablename
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
answered Jan 1 '15 at 4:19
Pரதீப்
74.9k1075109
74.9k1075109
3
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
add a comment |
3
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
3
3
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
Pretty clever use of integer division.
– Jason Faulkner
Jan 1 '15 at 4:21
add a comment |
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There is still problem.you have not mention in which scenario you want such sequence. What is the actual query like ?Knowing that can make query easier .
– KumarHarsh
Jan 2 '15 at 6:29