I have the following query:
SELECT
p.ID,
p.DESCRIPTION,
STUFF((SELECT '; ' + col.CUST_ORDER_ID
FROM CUST_ORDER_LINE col
WHERE col.PART_ID = p.ID
ORDER BY col.CUST_ORDER_ID
FOR XML PATH('')), 1, 1, '') [Customer Orders],
STUFF((SELECT '; ' + ql.QUOTE_ID
FROM QUOTE_LINE ql
WHERE ql.PART_ID = p.ID
ORDER BY ql.QUOTE_ID
FOR XML PATH('')), 1, 1, '') As Quotes
FROM
PART p
GROUP BY
p.ID, p.DESCRIPTION
I end up with many duplicate "Customer Orders". I tried adding "DISTINCT" i.e. "Stuff((Select DISTINCT" but I get the error "ORDER BY items must appear in the select list if SELECT DISTINCT is specified". There's already an "Order By col.CUST_ORDER_ID" in the statement so I guess I don't understand. Can anyone provide me with a suggestion and possibly and explanation? Using SQL Server 2012.
Select p.ID,
p.DESCRIPTION,
Stuff((Select distinct '; ' + col.CUST_ORDER_ID From CUST_ORDER_LINE col
Where col.PART_ID = p.ID Order By '; ' + col.CUST_ORDER_ID For Xml Path('')), 1, 1,
'') [Customer Orders],
Stuff((Select distinct '; ' + ql.QUOTE_ID From QUOTE_LINE ql
Where ql.PART_ID = p.ID Order By '; ' + ql.QUOTE_ID For Xml Path('')), 1, 1,
'') As Quotes
From PART p
Group By p.ID,
p.DESCRIPTION
Simpy use ';'+ use in order by column with distinct clause.order by column and selected column data must be same.
Related
I have a table which contains a column with queries. I need to execute them one by one and save the result in another table. What is the best way to implement this logic inside a stored procedure?
So for example the table looks like this:
id query
1 select count(*) from table_a
2 select count(*) from table_b
A cursor can be an option, but is there another way?
You can try performing this task with a combination of FOR XML and dynamic SQL:
DECLARE #mySchema NVARCHAR(10) = 'dbo'
DECLARE #stmt NVARCHAR(MAX) = '';
SELECT #stmt = (SELECT stmt FROM(
SELECT STUFF((
SELECT ' UNION ALL SELECT ' + CHAR(39) + s.name + '_' + o.name + CHAR(39) + ' AS TabName, COUNT(*) AS Cnt FROM ' + s.name + '.' + o.name
FROM sys.all_objects o
JOIN sys.schemas s ON s.schema_id = o.schema_id
WHERE o.type = 'U'
AND s.name = #mySchema
FOR XML PATH('')
), 1, 11, '') AS stmt
) xm)
EXEC(#stmt)
However, if only certain tables are required you will have to modify the query a little. Furthermore you can modify the query to get your selects from the table and join them via UNION ALL...
Please help how to achieve data as per shown in attached image
Highlighted rows actually group on Item Number field
Thanks in advance
Following should work:
SELECT distinct ItemNumber,SUBSTRING(
(SELECT ';' + TotalItem+' x '+ItemName
FROM YourTable
where ItemNumber=c.ItemNumber
ORDER BY ItemNumber
FOR XML PATH('')),2,200000 ) AS NewDescription from YourTable c
GO
Here's one way:
SELECT
it.[Item Number]
, Values1 = STUFF(CAST((
SELECT [text()] = ', ' + CAST(it2.TotalItem AS varchar) + ' x ' + it2.ItemName
FROM dbo.Items it2
WHERE it2.[Item Number] = it.[Item Number]
FOR XML PATH(''), TYPE) AS VARCHAR(100)), 1, 2, '')
FROM (
SELECT DISTINCT [Item Number]
FROM dbo.Items
) it
You could use STRING_AGG
SELECT [Item Number], STRING_AGG (CONCAT(TotalItem,'x',ItemName), ';') as tags
FROM dbo.TableName
GROUP BY [Item Number];
SELECT t2.ItemNumber ,
STUFF(( SELECT ',' + CAST(TotalItem AS VARCHAR) + ' x ' + ItemName
FROM #MyTable t1
WHERE t1.ItemNumber = t2.ItemNumber
FOR
XML PATH('')
), 1, 1, '') AS NewDescription
FROM #MyTable t2
GROUP BY t2.ItemNumber
DEMO
stuff(( select distinct ',',Convert(varchar(256),y.RoomPlanID)
from(
select x.RoomPlanID ,x.RoomPlanHierarchy from (select utblConfigDestRoomRates.RoomPlanID,utblMstRoomPlans.RoomPlanHierarchy
FROM utblConfigDestRoomRates inner
JOIN utblMstRoomPlans on utblConfigDestRoomRates.RoomPlanID=utblMstRoomPlans.RoomPlanId
WHERE PropertyTypeID=1
AND BusinessID='AAAA'
AND('25-Aug-2015' BETWEEN DateEffective AND DateEnd)
AND StarRank=3 group by RoomPlanHierarchy order by RoomPlanHierarchy asc
) x
--order by
-- x.RoomPlanHierarchy
)y
FOR XML PATH('')), 1, 1, '')
You can use ROW_NUMBER (Transact-SQL) function. I assume that order to x.RoomPlanHierarchy like this
stuff(( select distinct ',',Convert(varchar(256),y.RoomPlanID)
from(
select x.RoomPlanID ,x.RoomPlanHierarchy,ROW_NUMBER() OVER(ORDER BY x.RoomPlanHierarchy asc) AS Row from (select utblConfigDestRoomRates.RoomPlanID,utblMstRoomPlans.RoomPlanHierarchy
FROM utblConfigDestRoomRates inner
JOIN utblMstRoomPlans on utblConfigDestRoomRates.RoomPlanID=utblMstRoomPlans.RoomPlanId
WHERE PropertyTypeID=1
AND BusinessID='AAAA'
AND('25-Aug-2015' BETWEEN DateEffective AND DateEnd)
AND StarRank=3 group by RoomPlanHierarchy
) x
--order by
-- x.RoomPlanHierarchy
)y
FOR XML PATH('')), 1, 1, '')
--Format it in SQL
(
SELECT
stuff(
(
SELECT
'' + a.col_name ,
'' + Replace(CAST(a.pos as VARCHAR), a.pos, '') + '"'
FROM
(
SELECT
CAST (',' + db_column_name + ' AS "' + REPLACE(label_tag, '.', '_') AS nvarchar (4000) ) AS col_name,
row_number() over (partition BY RIGHT(entity, CHARINDEX('.', (REVERSE(entity)) ) - 1) ORDER BY db_column_name) AS pos
FROM
table1 AS ex
JOIN
table2 AS ef
ON
ef.col1 = ex.col1
WHERE
entity LIKE '%string%')a FOR xml path('')) , 1, 1, '' ) )
I NEVER do complicated stuff in SQL - until now...
I have a database with over 2000 tables, each table has about 200 columns.
I need to get a list of all the columns in one of those tables that are populated at least 1 time.
I can get a list of all the columns like this:
SELECT [name] AS [Column name]
FROM syscolumns with (nolock)
WHERE id = (SELECT id FROM sysobjects where name like 'DOCSDB_TDCCINS')
But I need only the columns that are populated 1 or more times.
Any help would be appreciated.
Here is how I would do it, first run this:
SELECT 'SELECT '''+syscolumns.name+''' FROM '+sysobjects.name+' HAVING COUNT('+syscolumns.name+') > 0'
FROM syscolumns with (nolock)
JOIN sysobjects with (nolock) ON syscolumns.id = sysobjects.id
WHERE syscolumns.id = (SELECT id FROM sysobjects where name like 'Email')
Copy all the select statements and run them.
This will give you a list of the column names without nulls.
(nb I did not test because I don't have an SQL server available right now, so I could have a typo)
It may be also be useful to count the non-null instances, obviously 0 or not 0 was your initial question, and counting the instances versus exists not/exists will be slower.
select 'union select ''' + Column_Name + ''',count(*)'
+ ' from ' + table_name
+ ' where ' + column_name + ' is not null'
from
(
select * from information_schema.columns with (nolock)
where Is_Nullable = 'YES'
AND Table_Name like 'DOCSDB_TDCCINS'
) DD
Then remove the superfluous leading 'union' and run the query
A different idea is to create a dynamic unpivot for every table.
Declare #q NVarchar(MAX) = NULL
;With D AS (
SELECT TABLE_SCHEMA
, TABLE_NAME
, STUFF((SELECT ', ' + QUOTENAME(ci.COLUMN_NAME)
FROM INFORMATION_SCHEMA.COLUMNS ci
WHERE (ci.TABLE_NAME = c.TABLE_NAME)
AND (ci.TABLE_SCHEMA = c.TABLE_SCHEMA)
FOR XML PATH(''),TYPE).value('.','NVARCHAR(MAX)')
,1,2,'') AS _Cols
, STUFF((SELECT ', Count(' + QUOTENAME(ci.COLUMN_NAME) + ') '
+ QUOTENAME(ci.COLUMN_NAME)
FROM INFORMATION_SCHEMA.COLUMNS ci
WHERE (ci.TABLE_NAME = c.TABLE_NAME)
AND (ci.TABLE_SCHEMA = c.TABLE_SCHEMA)
FOR XML PATH(''),TYPE).value('.','NVARCHAR(MAX)')
,1,2,'') AS _ColsCount
FROM INFORMATION_SCHEMA.COLUMNS c
GROUP BY TABLE_SCHEMA, TABLE_NAME
)
SELECT #q = COALESCE(#q + ' UNION ALL ', '') + '
SELECT ''' + TABLE_SCHEMA + ''' _Schema, ''' + TABLE_NAME + ''' _Table, _Column
FROM (SELECT ' + _ColsCount + ' from ' + TABLE_SCHEMA + '.' + TABLE_NAME + ') x
UNPIVOT
(_Count FOR _Column IN (' + _Cols + ')) u
WHERE _Count > 0'
FROM D
exec sp_executesql #q
In the CTE _Cols returns the comma separated quoted name of the columns of the table, while _ColsCount returns the same list with the COUNT function, for example for a table of mine a row of D is
TABLE_SCHEMA | TABLE_NAME | _Cols | _ColsCount
------------- ----------------- ------------------------------ -----------------------------------------------------------------------------
dbo | AnnualInterests | [Product_ID], [Rate], [Term] | Count([Product_ID]) [Product_ID], Count([Rate]) [Rate], Count([Term]) [Term]
while the main query trasform this line in the UNPIVOT to return the columns in rows
SELECT 'dbo' _Schema, 'AnnualInterests' _Table, _Column
FROM (SELECT Count([Product_ID]) [Product_ID], Count([Term]) [Term]
, Count([Rate]) [Rate] from dbo.AnnualInterests) x
UNPIVOT
(_Count FOR _Column IN ([Product_ID], [Term], [Rate])
WHERE _Count > 0
using the string variable concatenation and sp_executesql to run the string complete the script.
Hope you can achieve this by a simple alteration on your code like
SELECT [name] AS [Column name]
FROM syscolumns with (nolock)
WHERE id = (SELECT id FROM sysobjects where name like 'DOCSDB_TDCCINS')
and (select count(*) from DOCSDB_TDCCINS)>0
I have the following code which will create a comma delimited list for my results:
DECLARE #listStr VARCHAR(MAX)
SELECT #listStr = COALESCE(#listStr+', ' ,'') + INSTITUTIONNAME
FROM EDUCATION
WHERE STUDENTNUMBER= '111'
SELECT #listStr
The problem is its creating one massive comma delimited line. I need it to return a comma separated list per row.
So if Simon has been part of 2 institutions, then i expect:
"INSTITUTION1, INSTITUTION2"
As i didnt supply a where clause i expect my results to show up like this for each row in the database.
Update (As suggested by #Aaron in the comment)
STRING_AGG is the preferred way of doing this in the modern versions of SQL Server (2017 or later). It also supports easy ordering.
SELECT
STUDENTNUMBER
, STRING_AGG(INSTITUTIONNAME, ', ') AS StringAggList
, STRING_AGG(INSTITUTIONNAME, ', ') WITHIN GROUP (ORDER BY INSTITUTIONNAME DESC) AS StringAggListDesc
FROM Education E
GROUP BY E.STUDENTNUMBER;
Original Answer:
Use FOR XML PATH('') - which is converting the entries to a comma separated string and STUFF() -which is to trim the first comma- as follows Which gives you the same comma separated result
SELECT
STUFF((SELECT ',' + INSTITUTIONNAME
FROM EDUCATION EE
WHERE EE.STUDENTNUMBER = E.STUDENTNUMBER
ORDER BY sortOrder
FOR XML PATH(''), TYPE).value('text()[1]', 'nvarchar(max)')
, 1, LEN(','), '') AS XmlPathList
FROM EDUCATION E
GROUP BY E.STUDENTNUMBER
Here is the FIDDLE showing results for both STRING_AGG and FOR XML PATH('').
For Sql Server 2017 and later you can use the new STRING_AGG function
https://learn.microsoft.com/en-us/sql/t-sql/functions/string-agg-transact-sql
The following example replaces null values with 'N/A' and returns the
names separated by commas in a single result cell.
SELECT STRING_AGG ( ISNULL(FirstName,'N/A'), ',') AS csv
FROM Person.Person;
Here is the result set.
John,N/A,Mike,Peter,N/A,N/A,Alice,Bob
Perhaps a more common use case is to group together and then aggregate, just like you would with SUM, COUNT or AVG.
SELECT a.articleId, title, STRING_AGG (tag, ',') AS tags
FROM dbo.Article AS a
LEFT JOIN dbo.ArticleTag AS t
ON a.ArticleId = t.ArticleId
GROUP BY a.articleId, title;
this works in sql server 2016
USE AdventureWorks
GO
DECLARE #listStr VARCHAR(MAX)
SELECT #listStr = COALESCE(#listStr+',' ,'') + Name
FROM Production.Product
SELECT #listStr
GO
If you're stuck with SQL Server <2017, you can use GroupConcat. The syntax and the performance is far better than the FOR XML PATH sollution.
Installation:
-- https://codeplexarchive.blob.core.windows.net/archive/projects/groupconcat/groupconcat.zip
create assembly [GroupConcat] from 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with permission_set = safe;
create aggregate [dbo].[GROUP_CONCAT] (#VALUE [nvarchar](4000)) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT];
create aggregate [dbo].[GROUP_CONCAT_D] (#VALUE [nvarchar](4000), #DELIMITER [nvarchar](4)) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_D];
create aggregate [dbo].[GROUP_CONCAT_DS] (#VALUE [nvarchar](4000), #DELIMITER [nvarchar](4), #SORT_ORDER [tinyint]) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_DS];
create aggregate [dbo].[GROUP_CONCAT_S] (#VALUE [nvarchar](4000), #SORT_ORDER [tinyint]) returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_S];
go
Usage:
declare #liststr varchar(max)
select #liststr = dbo.group_concat_d(institutionname, ',')
from education
where studentnumber = '111'
group by studentnumber;
select #liststr
GroupConcat does not support ordering, though. You could use PIVOT, CTE's and windows functions if you need ordering:
drop table if exists #students;
create table #students (
name varchar(20),
institution varchar(20),
year int -- order by year
)
go
insert into #students(name, institution, year)
values
('Simon', 'INSTITUTION1', 2005),
('Simon', 'INSTITUTION2', 2008);
with cte as (
select name,
institution,
rn = row_number() over (partition by name order by year)
from #students
)
select name,
[1] +
isnull((',' + [2]), '') +
isnull((',' + [3]), '') +
isnull((',' + [4]), '') +
isnull((',' + [5]), '') +
isnull((',' + [6]), '') +
isnull((',' + [7]), '') +
isnull((',' + [8]), '') +
isnull((',' + [9]), '') +
isnull((',' + [10]), '') +
isnull((',' + [11]), '') +
isnull((',' + [12]), '') +
isnull((',' + [13]), '') +
isnull((',' + [14]), '') +
isnull((',' + [15]), '') +
isnull((',' + [16]), '') +
isnull((',' + [17]), '') +
isnull((',' + [18]), '') +
isnull((',' + [19]), '') +
isnull((',' + [20]), '')
from cte
pivot (
max(institution)
for rn in ([1], [2], [3], [4],[5],[6],[7],[8],[9],[10],[11],[12],[13],[14],[15],[16],[17],[18],[19],[20])
) as piv
I just saw another question very similar to this!
Here is the canonical NORTHWIND (spelled just slightly different for some reason) database example.
SELECT *
FROM [NORTHWND].[dbo].[Products]
SELECT CategoryId,
MAX( CASE seq WHEN 1 THEN ProductName ELSE '' END ) + ', ' +
MAX( CASE seq WHEN 2 THEN ProductName ELSE '' END ) + ', ' +
MAX( CASE seq WHEN 3 THEN ProductName ELSE '' END ) + ', ' +
MAX( CASE seq WHEN 4 THEN ProductName ELSE '' END )
FROM ( SELECT p1.CategoryId, p1.ProductName,
( SELECT COUNT(*)
FROM NORTHWND.dbo.Products p2
WHERE p2.CategoryId = p1.CategoryId
AND p2.ProductName <= p1.ProductName )
FROM NORTHWND.dbo.Products p1 ) D ( CategoryId, ProductName, seq )
GROUP BY CategoryId ;