Transact SQL :: Cross Reference 2 Tables
Jul 28, 2015
I have 2 tables, OBJECTS and LINKS both have common field(OBJECT_ID).
I need to update certain records in table OBJECTS only if they meet certain criteria in table LINKS.
How do I go about doing this..???
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Aug 23, 2007
Hi All,
The problem is about cross reference.
1. I have a third party cross reference store procedure SimpleXTab
CREATE PROCEDURE [dbo].[SimpleXTab2] @XField varChar(50), @XTable varChar(100),@XWhereString varChar(250), @XFunction varChar(10), @XFunctionField varChar(50), @XRow varchar(300),@ResultTable varchar(100) ASDeclare @SqlStr nvarchar(4000)Declare @tempsql nvarchar(4000)Declare @SqlStrCur nvarchar(4000)Declare @col nvarchar(100)
set @SqlStrCur = N'Select [' + @XField + '] into ##temptbl_Cursor from [' + @XTable + '] ' + @XWhereString + ' Group By [' + @XField + ']'
/* select @sqlstrcur */exec sp_executesql @sqlstrcur
declare xcursor Cursor for Select * from ##temptbl_Cursor
open xcursor
Fetch next from xcursor into @Col
While @@Fetch_Status = 0Begin set @Sqlstr = @Sqlstr + ", " set @tempsql = isnull(@sqlstr,'') + isnull(@XFunction + '( Case When ' + @XField + " = '" +@Col + "' then [" + @XFunctionField + "] Else 0 End) As [" + @Col + "]" ,'') set @Sqlstr = @tempsql Fetch next from xcursor into @Col End
/* Select @Sqlstr as [mk], len(@sqlstr) as [leng] */
set @tempsql = 'Select ' + @XRow + ', ' + @Sqlstr + 'into ' +@ResultTable+' From ' + @XTable + @XWhereString + ' Group by ' + @XRowprint @tempsql set @Sqlstr = @tempsql
Close xcursor Deallocate xcursor
set @tempsql = N'Drop Table ##temptbl_Cursor' exec sp_executesql @tempsqlprint @tempsql /* Select @Sqlstr as [mk], len(@sqlstr) as [leng] */print @sqlstr exec sp_executesql @Sqlstr
if @@rowcount = 0 select 'No Records found'GO
2. I've use this store procedure for many cross reference successfully. But this time my cross reference value (resultcode) is a varchar which cannot be convert to int or decimal in sql, Probably, you've noticed that the fourth parameter is a function. how can i modify SimpleXtab to avoid using math function but still can generate cross reference.
exec simplextab2 'Sequence','##tbltempreport',' ','sum','resultcode','Parameter' ,'dbo.resultcodetable'
Many Thanks!
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Jul 10, 2015
If I Have a table like
Id(identity), PupilPersonId, EducationTypeId,VehicleTypeId,EducationDate, EducatorId,Canceled
661187 9242382 2 1 2015-07-07 00:00:00.000 O_2 False
661183 9242382 2 1 2015-07-08 00:00:00.000 O_2 False
661186 9242382 1 1 2015-07-08 00:00:00.000 O_2 False
661178 9242382 2 1 2015-07-10 00:00:00.000 O_2 False
661185 9242382 2 1 2015-07-10 00:00:00.000 O_2 False
The result I want is the unique rows from columns:
PupilPersonId, EducationTypeId,VehicleTypeId AND there MAX EducationDate
SELECT er1.* FROM EducationResult er1
INNER JOIN
(
SELECT
er.PupilPersonId, er.EducationTypeId, er.VehicleTypeId, MAX(er.EducationDate) as EducationDate
[Code] ....
I like to know is there another approach with CTE and or Cross Apply I can use instead?
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Jul 28, 2015
I have noticed rather strange behaviour of EXECUTE AS and REVERT sequence during the cross database calls which appear to be a bug. I tested this issue on developer edition of SQL Server 2012
Microsoft SQL Server 2012 - 11.0.5343.0 (X64)
May 4 2015 19:11:32
Copyright (c) Microsoft Corporation
Developer Edition (64-bit) on Windows NT 6.1 <X64> (Build 7601: Service Pack 1)
This issue causes problems in SSISDB where similar piece of code appears in [catalog].[start_execution] and some other scripts in the [internal] schema. This was previous discussed in [URL] The following script illustrates the issue:
USE [master]
GO
CREATE DATABASE [Test1]
GO
CREATE DATABASE [Test2]
GO
-- Set Database to Trustworthy to allow cross database connection
ALTER DATABASE [Test1] SET TRUSTWORTHY ON;
GO
ALTER DATABASE [Test2] SET TRUSTWORTHY ON;
GO
USE [Test2]
GO
CREATE PROCEDURE [dbo].[TestContext]
AS
SELECT 'EXECUTION CONTEXT BEFORE EXECUTE AS CALLER', SUSER_NAME(), USER_NAME();
[code]....
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May 7, 2015
While looking forward to design a multi-columnar cross-tab query I am anxious to know if there could be a way to change the default names of the pivot columns? In other words for the query like the following can there be a way to apply anAS type command to reflect some other names, instead of having the four dates in heading? Something like Month_A, Month_B?
SELECT * FROM
(SELECT
X.REP_DT,
X.CUST_ID
AMOUNT_1
FROM
X) P
PIVOT (SUM(AMOUNT_1) FOR REP_DT IN ([2014-12-31], [2015-01-31], [2015-02-28], [2015-03-31])) PVT_01
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Feb 26, 2008
I am wanting to show Total Quantity of Presentations2 for each EmpVol and TypeofPresentation, even if there are no Presentations done in TypeofPresentation or if an Employee did not do any Presentations.
I am close with the query below - but not getting back exactly what I want - Ideas.
SELECT ISNULL(Presentations2.Quantity, 0) AS Quantity, TypeofPresentation.Typeofpresforrpt, EmpVol_2.LastName, EmpVol_2.FSSTVOLUNTEER
FROM Presentations2 INNER JOIN
EmpVol ON Presentations2.ID = EmpVol.ID RIGHT OUTER JOIN
TypeofPresentation ON Presentations2.TypePresINT = TypeofPresentation.TypePresINT CROSS JOIN
EmpVol AS EmpVol_1 CROSS JOIN
EmpVol AS EmpVol_2
GROUP BY TypeofPresentation.Typeofpresforrpt, EmpVol_2.LastName, EmpVol_2.FSSTVOLUNTEER, ISNULL(Presentations2.Quantity, 0)
HAVING (EmpVol_2.FSSTVOLUNTEER = N'FSST')
Thanks,
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Jan 31, 2015
I have a small doubt regarding cross join and NULL values,
Table A has four rows (1,2,3,NULL)..Table B has 4 rows(1,2,3,NULL)..if i cross join table A and B..
How many rows will be there in result
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Jul 20, 2005
I currently have two SQL server books for MS SQL Server 2000. One is aprep book for the 70-229 exam, the other is a Wrox book: "professionalSQL Server 2000 Programming."I'm looking for more T-SQL books that give me PRACTICAL tips onwriting advanced queries. What book do you refer to? Please post them.
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Jun 1, 2015
Create table #tblActvity
(
activityIDvarchar (50),
activityParentIDvarchar(50)
)
Insert into #tblActvity
SElect '1',Null
[Code] ...
--If I pass activityId 3 or 2 or 4 it should return 0 as none of the activity is circular but If I pass 5, 6 or 7 it should return 1 as they have circular reference....
I need a sql qry which will require to find a circular reference in it.....
As in above sample of data ,If I pass activityId 3 or 2 or 4 to qry it should return 0 as none of the activity is circular but If I pass 5, 6 or 7 it should return 1 as they have circular reference....
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Jul 21, 2015
I would like to create a function that will replace a string using a reference table
I have a table : reference
ID String ReplaceWith
1 ≈ &
2 < <
3 > >
If I pass a string into a function, function needs to replace a string with replace with string column in reference table
For example, if I pass a string : car $ap; fjld
The function should return car & fjld
How can i create a function like this so that i can call it in Stored procedure....
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Oct 22, 2015
I am trying to eliminate a scalar function by rewriting a view. I currently have a structure similar to the following:
With FirstQuery as (SELECT Trial, SBOI, TBOI,
FROM TU
WHERE SBOI Between 22000 and 22999 and TBOI < 10000),
strt as (SELECT TOP 1 TimeOfEvent, Trial, SBOI, TBOI
From TU ORDER BY TimeOfEvent),
[Code] ....
What I trying to do is for the Trial, SBOI, and TBOI in FirstQuery, find the Start Time and Stop Time. TimeOfEvent is an integer in milliseconds. Say I have the following data:
TrialID SBOI TBOI TimeOfEvent
A 22000 5000 5
A 22000 5000 10
B 22000 5000 8
B 22000 5000 15
So the DISTINCT output would be:
Trial SBOI TBOI StartTime StopTime
A 22000 5000 5 10
B 22000 5000 8 15
The problem I am having is that strt is selecting the smallest time period. It doesn't seem to care what the current record in cte is. I thought that by using my joins, it would make it select smallest TimeOfEvent for the Trial, SBOI, and TBOI that are selected in cte. Obviously that is not the case. So, I was trying to add a WHERE to the strt Select Statement such as
WHERE TrialID = FirstQuery.TrialID and SBOI = FirstQuery.SBOI and TBOI = FirstQuery.TBOI but it isn't working either.
What can I do?
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Dec 24, 2007
How does cross-validation work in the case of models with predictable nested tables? Is it supported? For classification and regression with a flat structure, during the testing phase (that is, validation phase) of cross-validation I can think of the inputs being presented and comparing the predicted value with the real value. But in the case of nested tables, the input is not a subset of the attributes (a subset of the input vector), but whole input vectors. (For instance, complete itemsets in the case of association rules). Can you please explain some more how the validation phase works in the case of the association rules and decision trees with predictable nested tables?
thanks,
Gustavo Frederico
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Jun 11, 2015
CREATE TABLE PRODUCT_SALES
(
Salesmanid BIGINT,
Productid BIGINT
)
INSERT INTO PRODUCT_SALES (Salesmanid,Productid) VALUES (1,1)
INSERT INTO PRODUCT_SALES (Salesmanid,Productid) VALUES (1,2)
INSERT INTO PRODUCT_SALES (Salesmanid,Productid) VALUES (1,3)
SELECT * FROM PRODUCT_SALES
/* SalesmanID is reference key from Sales Master and ProductID is reference key from Product Master. How should i restrict user through DB with any constraint check, if user tries to enter
INSERT INTO PRODUCT_SALES (Salesmanid,Productid) VALUES (1,2),
It should throw error , if possible user defined message would be more useful.
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Aug 22, 2007
I have facing a design problem and unable to justify which design to choose for my data model.
Usually, what we have is like data tables and reference tables to store data in those data tables.
My database has tables with 20-30 columns in them. And most of them (though not all of them), stores data from some reference tables. Meaning each column has an associated reference table where it stores possible list of values for that particular column. Sort of data domain for that column. FYI, My database is related to medical field.
For example, A table that has a varchar(40) column called "Differentiation". It can only store values from following list:
- Undifferentiated
- Moderate
- Poor
- Poor - Moderate
- Moderate - well
Now, to implement this, simple solution would be to have a reference table where I can store all these possible values...And then have just a reference of each data item into my "Differentiation" column in the table.
This is simplest and probably the best solution for such thing and i can also have referential integrity implemented for this.
But now if we look at the bigger picture, my database is growing and I have about 80 tables which I need to create where most of the columns will have different reference tables like I mentioned above. Approximate number of reference tables is 300 tables. All the reference table will have same structure, with different values for different columns.
Now, what seems to me is, because the table structure is same for every column, rather than having 300 different tables, I can only have 2 tables, where I can put all these reference values into these 2 tables.
Like,
Table 1 :
This table can have name of the reference table like "differentiationlist" etc.
Table 2:
It has reference to the reference table list in Table 1 discussed above and all the values that are part of that reference table can go in this table with its reference.
But problem with this is, because all the reference tables are in these two tables, I don't know how to implement referential integrity in this design.
Does anyone have any idea or solution for situation like this?
Thanks,
Ujjaval
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Sep 1, 2004
I have two tables that are reference to each other by foreign key, now I would like to alter the table so the it doesn't reference each other any more. What is the syntax to alter a table so that the fk field doesn't reference a table anymore. Thanks in advance for the help.
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Jul 14, 2006
Hi ,
I have the following structure:
Item table
----------
ItemId
ItemName
Item Transaction Table
----------------------
TransactionId
GiverItemId
SenderItemId
the data is somewhat like this:
Item table
__________
1abc
2xyz
3pnr
4rew
5dds
6djs
7dsf
Item Transaction table
---------------------
112
224
343
437
Now i have a reauirement to build a stored proc in which all the transactions starting from one transaction like, if i want to know the chain for item no 2 it shall give the following result:
24
43
37
if i want to know the chain for item no 3 then it shall give following
37
if i want to know the chain for item no 1 then it shall give following
12
24
43
37
Please help.. Its urgent.....
Thanks
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Jun 18, 2008
Ok so I am trying to update rows which have a rNumber in the range of a specific lookup table fields. Example.
Table A (source table)
----------
cn, rNumber
null, 223
null, 9999
null, 12345
Table B (Reference table)
-------------
cn, start_r, end_r
A, 1, 300
B, 9000, 10000
C, 11000, 13000
I want to find the 'cn' for tableA.rNumber where it exists in the range of tableB.start_r and tableB.end_r
how do I do it??
-Chris Varick
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Jan 14, 2008
I'm trying to create two tables, Admins and SecurityGroups, I want to have the ability to assign a security group to an admin so that I don't have to specify all the rights individually to every admin. So, I have the securityGroupID in the Admins table and I reference the SecurityGroups table for data integrity. On the other hand, for audit purposes, I also want to record which admin created the security group so I have the AdminID in the SecurityGroups table and I reference the Admins table for data integrity. Of course when I try to create any of those tables I get an error message that the other table doesn't exist. I wonder if this can be done without having to remove the references constraint from one of the tables and then using alter table. Here's an example below to make it clearer:
CREATE TABLE Admins
(
AdminID INT NOT NULL PRIMARY KEY,
SecurityGroup NULL REFERENCES SecurityGroups (SecurityGroupID)
)
CREATE TABLE SecurityGroups
(
SecurityGroupID INT NOT NULL PRIMARY KEY,
CreatedBy INT NOT NULL REFERENCES Admins (AdminID)
)
Any suggestions are highly appreciated...
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Nov 2, 2007
Hi,
I don't know if this is possible, i believe not, so I'm here to ask the experts if is possible to have a foreign key constraint that references the key of one of two tables.
Like this:
I have 3 tables: TABLE X, TABLE A and TABLE B
Is it possible to the FK on TABLE X refernce the PK of TABLE A OR TABLE B?
If yes, how can I do this?
If not, I need to have a fourth table, so TABLE X references TABLE A and TABLE Y references TABLE B.
Thanks!
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Aug 23, 2007
Not sure if the title describes my situation or not.
Simplified example is:
I have an [Employee] table with EmpCode, EmpName
I have a second table [NewHires] that has: HireDate, EmpCode, Addedby
Both EmpCode and Addedby contain EmpCode referring to the Employee table.
I wish an output similar to:
New Employee (from EmpCode in NewHire), Hired on (From HireDate), Hired By (from Addedby)
My problem is with an Employee.EmpCode=NewHires.Empcode or Employee.EmpCode=NewHires.Addedby in the Where clause or Join part of the SQL I don't know how to get EmpName from the Employee table twice but using two different EmpCode as the reference.
Thanks in advance - Shawn
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Aug 10, 2015
One of our Oracle Tables changed and I am wondering if there's any way that I can query all of our Stored Procedures to try and find out if that Oracle Table Name is referenced in any of our SQL Server Stored Procedures OPENQUERY statements?
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Jun 12, 2007
Consider a situation. There is a table of submitted 'documents'. They have some attributes. There are assignments to process the things, which have a date they were created. Finally there is a price list which specifies the price according to document features and date, so that the assignment to process a document created at different time will have a different cost. In other words, there is a relation
(assignment->document.attribute(s) + assignment.date) -> pricelist.price
Creating relations has the integrity advantages: it is not possible to create an assignment, which price is not defined in the pricelist; precludes the pricelist entry removal if it is referred by any assignments.
Should a view, which combines all the foreign fields into one virtual table, be created to make establishing the reference possible?
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Sep 10, 2014
I am using vs 2010 to write my dtsx import scripts.I use a script component as a source to create a flat file destination file.Everything have been working fine,but then my development machine crashed and we have to install everything again.Now when i use the execute package utility to test my scripts i get the following error:
Error system.NullReferenceException: Object refrence not set to an instance reference.
In PreExecute section
TextReader = new system.io.streamreader(" file name")
In the CreateNewOutputRows:
dim nextLine as string
nextLine = textReader.ReadLine
[code]...
is there something which i did not install or what can be the error?
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Oct 21, 2015
In our production database we are looking top 10 columns in all the tables, for this using the below script, output was showing only one table how we get the all the tables top 10 ...
select top 10 * from ProductIdList
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Jul 6, 2015
I have 4 table
TBLA
id
1
2
3
----
TBLB
ID COUNT
1 2
2 2
3 2
----
TBLC
ID COUNT
1 2
2 2
----
TBLD
ID COUNT
1 3
2 3
NEED TO GET OUT PUT LIKE BELOW
ID aCOUNT bCOUNT cCOUNT dCOUNT
1 2
2 3
2 2
2 2
3 2
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Oct 5, 2015
We have two tables.
Table1:
Servers | Numbers
------------
Server1 | 1
Server1 | 2
Server1 | 3
Server2 | 1
Server2 | 2
Server2 | 4
Server3 | 2
Server3 | 5
Server3 | 9
Server3 | 7
.....
Table2:
| Numbers
-----------
NULL | 1
NULL | 2
NULL | 3
I need to select Server1, Server2, Server3 and other servers that does not have correct value in Table2. Results should return server name and number that server does not have like:
Server2 | 3
Server3 | 1
Server3 | 3
Table1 is updated time to time, Table2 - static table. The best would be to avoid loop or cursor. Is that possible to get these results in one query?
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Oct 11, 2015
I want to know one small query..
id Name
1 hi
2 how
3 are
4 you
6 can
7 do
8 not
9 did
10 to
I deleted some records now my table have below mentioned rows..
id Name
1 hi
2 how
4 you
6 can
8 not
10 to
I want to know the missing records in my table.
OUTPUT IS. 3,7,9
how can i do that using sql query.
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Jun 3, 2015
I have two global temp tables in my stored procedure.Is it possible for me to make the execution of a stored procedure dynamic. Based on a flag parameter value I should get the result set from first temp table and viceversa ex: If my flag is 0.I should be able to get the result set from ##temp1 (select * from ##temp1).If my flag is 1.I should be able to get the result set from ##temp2 (select * from ##temp2).
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Jun 29, 2015
We are accessing a database through Linked Servers. That database has a bunch of views.We are able to get a list of columns for our views by querying [syscolumns]. However, how do we find out which of those columns have primary keys?
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Jun 2, 2015
I need to show maxInspectionDate in my result but I can't figure out how to do it.
SELECT E.equipmentID, E.assetNumber, E.T5Code , E.InspectionDuration, E.Description,
E.AssetType, E.WorkingLimits
FROM Equipment E
WHERE EXISTS
(SELECT t.equipmentID, r.maxInspectionDate
FROM (
SELECT equipmentID, MAX(nextInspectionDate) as maxInspectionDate
FROM equipmentInspection
GROUP BY equipmentID
) r
INNER JOIN equipmentInspection t
ON t.equipmentID = r.equipmentID AND t.nextInspectionDate = r.maxInspectionDate)
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Oct 26, 2015
I have two temp. tables. I am trying to show the agents how makes the sales and the ones how didnt make sales based on the time that they clock in. One table is called #sales which has only the agents that make sales and other tables is #hours which has both agents that do not make sale. the problem is that I can not get both agents to show on my report. I tried different ways but I could not. #sales table uses (select statement from AmountStats table that stores only the agents who make sale). #hours table uses different tables to store all gents who makes sale and ones that are not making sale.
declare
@start datetime,
@end datetime,
@campaignId uniqueidentifier,
@campaignName varchar(250),
@segment varchar(50)
set @start = '2015-10-07'
set @end = '2015-10-20'
[code]....
how to merge these two columns from #sales and #hours tables without duplication.
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Oct 14, 2015
How to set ddl triggers for specific tables, instead of on entire database.
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Nov 6, 2015
I have two tbles that have ItemName and their bill amount
a) tblLunch
which shows records like below
Invoice Item Amount
--------------------------------------------
1 COFFEE 1000.00
2 TEA 2000.00
3 ICE CREAM 1000.00
b) tblDinner
which shows records like below
Invoice Item Amount
------------------------------------------------------------
1 COFFEE 1000.00
2 TEA 2000.00
3 PASTA 1000.00
I want to perform a query that should SUM Amount Columns by Grouping the Item from both the tables, so we could get the following result
Item Amount
------------------------------
COFFEE 2000.00
TEA 4000.00
ICE CREAM 1000.00
PASTA 1000.00
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