Get Result From 3 Tables In A SINGLE Query
Jun 17, 2014
I am using 3 tables: projects, project_manager and project_employee
projects
- project_id (int, PK)
- project_name
project_manager
- project_id (int, PK)
- manager_id (int, PK)
project_employee
- project_id (int, PK)
- employee_id (int, PK)
Assume that a manager is currently logged in (so we know what is his ID), what I trying to do is write a query that will display a grid-view showing:
project_id, project_name and number of employees in project.
I tried these quires to test:
SELECT project_id, count(emp_id) as NumberOfEmployees into #tempTable FROM project_employee WHERE project_id IN (SELECT project_id FrOM projects) GROUP BY project_id
SELECT projects.project_id, projects.project_name, NumberOfEmployees FROM projects, #tempTable WHERE projects.project_id = #tempTable.project_id
Problems are:
1 - I used two queries not one
2 - The result is for all projects of all managers, I just want to display projects for a specific manager (for example mag_id = 5)
3 - it created a temporary table - which I dont want.
Is there anyway to get what I want in a single query?
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May 16, 2008
I have two tables that have no relation. However, both have a column which has a field of nvarchar(50) that I want to retrieve together in one operation and bind to a DropDownList in a sorted fashion. So, what I'm trying to achieve is this:
1. SELECT name FROM table1
2. SELECT name FROM table2
3. Join the two results together and order them alphabetically
4. Return the result set
I'm not sure how to do this or even if it's possible. Ideally I'm hoping it can be done in a stored proc.
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Oct 13, 2007
hello
i am a beginner
i it possible to get this result by single query ?
i got a int column and a datetime column
is it possible to get the sum(int column) for all the year 2007 and by the april2007 and by the month n year by the person name Tony
so the end result will look like this
year 2007 | current_month | tonys_group
-----------------------------------------------
$ 222 $22 $2
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Oct 24, 2004
Hello,
I have a table with 1 column containing numeric values, and I need to create a query which displays the count of values for each set of conditions. For example, if the table contains the values 1,2,3,4,5 and 6, the output of the query should look like this:
L M H
-----------------------
3 2 1
(L are values below 4, M between 4 and 5, H is 6 and above)
Any suggestions?
TIA
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May 25, 2015
Here the SELECT query is fetching the records corresponding to ITEM_DESCRIPTION in 5 separate transactions. How to change the cursor to display the 5 records in at a time in single transactions.
CREATE TABLE #ITEMS (ITEM_ID uniqueidentifier NOT NULL, ITEM_DESCRIPTION VARCHAR(250) NOT NULL)INSERT INTO #ITEMSVALUES(NEWID(), 'This is a wonderful car'),(NEWID(), 'This is a fast bike'),(NEWID(), 'This is a expensive aeroplane'),(NEWID(), 'This is a cheap bicycle'),(NEWID(), 'This is a dream holiday')
---
DECLARE @ITEM_ID uniqueidentifier
DECLARE ITEM_CURSOR CURSOR
[Code] ....
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Jul 31, 2007
dear all
i need to write SQL Query that compares 2 tables as folows:
lets say i have:
table A with A.A, A.B, A.C columns (Table A with Columns A,B,C)
table B with B.A, B.B, B.C columns (Table B with Columns A,B,C)
i need to compare and to mark (get in result Query) each row lets say in table B that was changed from table A
For Example
Table A
A B C
12 15 hello
15 17 adv
asd 19 23
14 rer 89
Table B
A B C
12 15 hello
15 19 adv
*** 19 23
14 rer 89
the result is the records which was changed from A to B
A B C
15 19 adv
*** 19 23
Thnks alot!
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Jun 14, 2008
hi friends
in my sqlserver 2005 i want to update two tables in a single query.
is it possible? or is it possible by creating a view?
thanks in advance.
shweta
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Mar 19, 2015
I have four tables:
a, b, c and d
table a is related to table b by a foreign key. table b is related to c and so on.
I used the sql statement below to join the tables:
$result = mysql_query("SELECT a.colum1, a.column2,
b.column, c.column, d.column FROM a
JOIN b ON a.pkey = b.foreign key
JOIN c ON b.pkey = c.fkey
JOIN d ON c.pkey = d.fkey ")
or die(mysql_error());
[Code] .....
I succeeded in printing out the first record where the four tables are joined, but not other instances.my print out is this:
a.column1
a.colum2
b.colum
c.colum
d.colum
But there are about ten instances where the joining conditions are met. How do I print out all the records that have met the condition?
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Apr 3, 2008
Hello All,
I want to update multiple tables using single query and fields name are same of tables.
I am trying like:
update tablename1 t1,tablename2 t2 set t1.fieldname1 = t2.fieldname1 = 'value' where condition;
or
update tablename1 t1,tablename2 t2 set t1.fieldname1 = 'value' t2.fieldname1 = value where condition;
Plzzzzzz help me.Thanx in advance.
Thanx & Regards,
Smita.
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Nov 6, 2007
Hi,
I am using SQl server 2005.
want to update rows in 2 tables,which have a relation on Id field.
Some thing like
Update tblA a , tblB b
Set a.UpdatedDt=getdate(),b.Updateddt=getdate()
where a.Id=b.Id and a.Name='xyz'
can anyone out there help me?
Thanks
Renu
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Apr 27, 2015
Is there any way to update multiple tables in a single query. I know we can write triggers. Apart from triggers, is there any other way available in SQL Server. I am using 2008R2.
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Mar 8, 2008
Here with the below query iam binding my gridview with industry name,company name,Plant Name,Group Name related to the IDs in Audit table.Select Aud.Ad_ID_PK,Aud.Audit_Name,Ind.Industry_Name,Cmp.Company_Name,Pla.Plant_Name,Gr.Groups_Name,Aud.Audit_Started_On,Aud.Audit_Scheduledto,Aud.Audit_Created_On from
Industry Ind,
Company Cmp,
Plant Pla,
Groups Gr,
Audits Audwhere Ind.Ind_Id_PK =Aud.Audit_Industry and
Cmp.Cmp_ID_PK =Aud.Audit_Company and
Pla.Pl_ID_PK =Aud.Audit_Plant and
Gr.G_ID_PK =Aud.Audit_Group and
Ad_ID_PK in (select Ad_ID_PK from Audits)
Now i want to edit these names.
when i click on edit in gridview these names will be filled into textboxes and when i change the names it should compare the name with particular tables and should get the Id of that and store in Audits table.
For example:
i have this data in my audits table:
Commercial83312
2
2
2
1
Here Commercial83312 is ID of that Audit and 2,2,2,1 are the Industry,Company,Plant and group Ids for that particular audit.In the front end i can see the names of this particular IDs.
when i edit the industry name in the UI it must check the name with industry table and get the ID of the changed name and store it in audit table.
so the data may be changed in audits table as :
Commercial83312
4
2
2
1
so here the industry ID is changed
I need the stored procedure for this.
please help me,its very urgent...
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Sep 25, 2014
I have two tables table1 and table2 and having a common column "col1"
When i ran the following query
UPDATE table1, table2 SET col1=FALSE WHERE id = 1;
getting the following error
Error Code: 1052 Column 'col1' in field list is ambiguous
id column exist in both the tables and need to update both the tables to false where the id is equivalent to 1.
how to achieve this in single query?
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Mar 18, 2008
This a microsoft SQL 2000 server.
I have a DB with mutliple tables that have a column called "Date_stamp", which is used as a primary ID.
Here is my problem:
Some of tables have a bad datetime entry for the "Date_stamp". The bad entry is '2008-3-18". I need to delete this entry from every single table that has a name similary to 'Elect_Sub%Daily'.
I know how to get the user table names from the DB as follows:
SELECT name
FROM dbo.sysobjects
WHERE xtype = 'U' and name like 'Elect_Sub%Daily'
What I need to do is have a query that will basically scroll through the tables name produced by the above query and search and delete the entries that read '2008-3-18".
delete from tableName where Date_Stamp = '2008-3-18'
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Feb 13, 2001
HI,
I ran a select * from customers where state ='va', this is the result...
(29 row(s) affected)
The following file has been saved successfully:
C:outputcustomers.rpt 10826 bytes
I choose Query select to a file
then when I tried to open the customer.rpt from the c drive I got this error message. I am not sure why this happend
invalid TLV record
Thanks for your help
Ali
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May 1, 2008
As the topic suggests I need the end results to show a list of shows and their dates ordered by date DESC.
Tables I have are structured as follows:
SHOWS
showID
showTitle
SHOWACCESS
showID
remoteID
VIDEOS
videoDate
showID
SQL is as follows:
SELECT shows.showID AS showID, shows.showTitle AS showTitle,
(SELECT MAX(videos.videoFilmDate) AS vidDate FROM videos WHERE videos.showID = shows.showID)
FROM shows, showAccess
WHERE shows.showID = showAccess.showID
AND showAccess.remoteID=21
ORDER BY vidDate DESC;
I had it ordering by showTitle and it worked fine, but I need it to order by vidDate.
Can anyone shed some light on where I am going wrong?
thanks
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Sep 19, 2007
Hi again,
I'd appreciate advice on the following. Thanks very much!
Given this Table:
family|product|type
fam1 |abc |XX
fam1 |def |YY
What query would return this?
Family|Type1|Type2
fam1 |xx |yy
--PhB
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May 30, 2014
I have the following table
CREATE Table #Table1
(
ID INT, Name VARCHAR(50), Class VARCHAR(10)
)
INSERT INTO #Table1
Select 1, 'name1', 'a' UNION ALL
Select 2, 'name1', 'a' UNION ALL
[Code] ....
Is it possible to have each name and its corresponding class in a single line separated by commas to give a result like the one below in #table2 ?
CREATE Table #Table2
(
ID INT, CommaSeparated VARCHAR(100)
)
INSERT INTO #Table2
Select 1, 'name1, a' UNION ALL
[Code] ...
What I have
Select * FROM #Table1
Final Result
Select * FROM #Table2
Note that I still want to see all the IDs regardless.
If that is not possible to see all the IDs, I think the results below in #Table3 should suffice.
CREATE Table #Table3
(
CommaSeparated VARCHAR(100)
)
INSERT INTO #Table3
Select 'name1, a' UNION ALL
Select 'name2, b, c, d' UNION ALL
Select 'name3, e, f'
Select * FROM #Table3
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Jan 13, 2008
Hello, I have an SQL problem that is hard to describe so here's an example scenario:
a) company has a personnel database, identifying each person in the company and their assigned role(s).
b) tblPersonnel has a row per person, key is 'PersonnelID'
c) tblRoles is a list of all the roles in the company (administrator, clerk, shipper, truck-driver, etc.), key is 'RoleID'
d) tblPersonnelRoles is a cross-reference of all the roles assigned to each person - in simple format of:
PersonnelID | RoleID
Given all the above, I need to have a select statement that produces one row per person, and list all the fields from tblPersonnel AS WELL AS identifies each role assigned to the person.
I'm no SQL guru .. is this even possible?
I know there are alternative solutions (e.g., to write code that for each Personnel does a lookup in Roles) but for one particular situation I need a single SQL statement, or even Stored Procedure.
Thanks in advance,
Rick Piovesan
Detaya Corp
Aurora, Ontario, Canada
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May 1, 2008
Hello,
In SQL Server SELECT query Result displays tablePlease
tell how to create stored procedure for a single row at a time i.e. all only ONE row is
displayed at a time exselect name from useswhere name is display is tabular format,but i need in row with coma anc,d,f,f,e,g,h,jin this wayhow can i write a stored procedure for that
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Jul 20, 2007
I set up a connection to mysql using ADO.NET's ODBC Data Provider. And I'm running a simple query to return one table's maximum ID(int32 unsigned).But when I bind the result to a variable and excute task. It gives out error message: "An error occurred while assigning a value to variable "MaxAuditLogID": "Result binding by name "MaxID" is not supported for this connection type. " I tried to change the type of variable around but with no luck.
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Jul 20, 2007
I set up a connection to mysql using ADO.NET's ODBC Data Provider. And I'm running a simple query to return one table's maximum ID(int32 unsigned). There is no problem to achieve that.
But when I bind the result to a variable and excute task. It gives out error message: "An error occurred while assigning a value to variable "MaxAuditLogID": "Result binding by name "MaxID" is not supported for this connection type. "
I tried to change the type of variable around but with no luck.
Could anyone help with this issue? Thanks!
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Oct 22, 2007
I would like to select a row (or multiple rows) from one table and at the same time all related columns from a second table (1:N)example, a phone book; selecting everyone with a certain name from the person_table and all their related phone numbers from the numbers_table, like
SELECT...
Smith, John 123456 234567 345678
Smith, Will 654321 765432 876543 987654
Smith, Eric 55564
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Dec 12, 2007
Hello,
I have a problem figuring out how I should do the following in SQL. I have 2 tables
table 1
M_Name, M_Application
A applA
b applB
c NULL
d applD
table 2
O_Name, O_Application
A applA
b applXX
c applC
d NULL
Now I need to somehow combine this to tables where M_Name and O_name should be the where clause e.g. where M_name = O_name and the result
should look something like this
Name (M_name and O_name), M_Application, O_Application
A ApplA ApplA
B ApplB ApplXX
C NULL ApplC
D ApplD NULL
I also would like to have NULLS included in the result
Thanks,
Patric
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Mar 14, 2007
I have an SqlDataSource that has SelectCommand as Stored Procedure. This stored procedure returns two tables. But my SqlDataSource can see first table only.
How can I see second table in Selected event of my SqlDataSource for example ?
SqlDataReader has method NextResult() for this task. How in SqlDataSource ?
I'm sorry for my English.
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Mar 14, 2007
I have an SqlDataSource that has SelectCommand as Stored Procedure. This stored procedure returns two tables. But my SqlDataSource can see first table only.
How can I see second table in Selected event of my SqlDataSource for example ?
SqlDataReader has method NextResult() for this task. How in SqlDataSource ?
I'm sorry for my English.
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Jan 26, 2008
Hi there,
Can someone please help me figure out how I can write a select statement that returns a row from one table and the count of records from the second table using the row name from the first table?
In other words:
First table has only one column "name" and that table name is called "namelist"
Second table has multiple columns, and the table is called "name"
so, what i want to do is something like:
select name from namelist and select count(*) from [name]
results should be:
sean,0
bob,1
tom,5
etc...
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Mar 21, 2008
Hi! I have a general SQL CE v3.5 design question related to table/file layout. I have an system that has multiple tables that fall into categories of data access. The 3 categories of data access are:
1 is for configuration-related data. There is one application that will read/write to the data, and a second application that will read the data on startup.
1 is for high-performance temporal storage of data. The data objects are all the same type, but they are our own custom object and not just simple types.
1 is for logging where the data will be permanent - unless the configured size/recycling settings cause a resize or cleanup. There will be one application writing alot [potentially] of data depending on log settings, and another application searching/reading sections of data.
When working with data and designing the layout, I like to approach things from a data-centric mindset, because this seems to result in a better performing system. That said, I am thinking about using 3 individual SDF files for the above data access scenarios - as opposed to a single SDF with multiple tables. I'm thinking this would provide better performance in SQL CE because the query engine will not have alot of different types of queries going against the same database file. For instance, the temporal storage is basically reading/writing/deleting various amounts of data. And, this is different from the logging, where the log can grow pretty large - definitely bigger than the default 128 MB. So, it seems logical to manage them separately.
I would greatly appreciate any suggestions from the SQL CE experts with regard to my approach. If there are any tips/tricks with respect to different data access scenarios - taking into account performance, type of data access, etc. - I would love to take a look at that.
Thanks in advance for any help/suggestions,
Bob
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Nov 7, 2007
I have two tables .. in one (containing user data, lets call it u).The important fields are:u.userName, u.userID (uniqueidentifier) and u.workgroupID (uniqueidentifier)The second table (w) has fieldsw.delegateID (uniqueidentifier), w.workgroupID (uniqueidentifier) The SP takes the delegateID and I want to gather all the people from table u where any of the workgroupID's for that delegate match in w. one delegateID may be tied to multiple workgroupID's. I know I can create a temporary table (@wgs) and do a: INSERT INTO @wgs SELECT workgroupID from w WHERE delegateID = @delegateIDthat creates a result set with all the workgroupID's .. this may be one, none or multipleI then want to get all u.userName, u.userID FROM u WHERE u.workgroupIDThis query works on an individual workgroupID (using another temp table, @users to aggregate the results was my thought, so that's included) INSERT INTO @users SELECT u.userName,u.userID FROM tableU u LEFT JOIN tableW w ON w.workgroupID = u.workgroupID WHERE u.workgroupID = @workGroupIDI'm trying to avoid looping or using a CURSOR for the performance hit (had to kick the development server after one of the cursor attempts yesterday)Essentially what I'm after is: SELECT u.userName,u.userID
FROM tableU u
LEFT JOIN tableW w ON w.workgroupID = u.workgroupID
WHERE u.workgroupID = (SELECT workgroupID from w WHERE delegateID = @delegateID) ... but that syntax does not work and I haven't found another work around yet.TIA!
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Jul 1, 2015
I need a query to publish the front page of a blog. Each blog post needs to show BlogTitle, BlogText, PublishDate, PublishBy, Primary Image and number of comments. I would like to be able to do this in one sql statement, if possible.
The table structure is below, you can assume the first image returned from the image table is the primary image.
CREATE TABLE [dbo].[Blogs](
[ID] [int] IDENTITY(1,1) NOT NULL,
[BlogTitle] [nvarchar](200) NULL,
[BlogText] [nvarchar](max) NULL,
[Tags] [nvarchar](200) NULL,
[Code] ....
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Feb 25, 2012
When I run query in excel it gives result with different column sequence. The same query gives result with different column sequence when used in query analyzer or VBA Macro. E.g., Select * from ABC.
result in Excel 2003 SQL OLE DB query
col-A col-B col-C
values...
Result with Query Analyzer and VBA Macro
col-c col-B col-A
values...
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Apr 9, 2006
I hope I am not asking about something that has been done before, but Ihave searched and cannot find an answer. What I am trying to do is torun a query, and then perform some logic on the rowcount and thenpossibly display the result of the query. I know it can be done withADO, but I need to do it in Query Analyzer. The query looks like this:select Varfrom DBwhere SomeCriteriaif @@Rowcount = 0select 'n/a'else if @@Rowcount = 1select -- this is the part where I need to redisplay the resultfrom the above queryelse if @@Rowcount > 1-- do something elseThe reason that I want to do it without re-running the query is that Iwant to minimize impact on the DB, and the reason that I can't useanother program is that I do not have a develpment environment where Ineed to run the queries. I would select the data into a temp table, butagain, I am concerned about impacting the DB. Any suggestions would begreatly appreciated. I am really hoping there is something as simple as@@resultset, or something to that effect.
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May 9, 2015
I have a column colC in a table myTable that has a value (e.g. '0X'). The position of a non-zero character in column colC refers to the ordinal position of another column in the table myTable (in the aforementioned example, colB).
To get a column name (i.e., colA or colB) from table myTable, I can join ("ON cte.pos = cn.ORDINAL_POSITION") to INFORMATION_SCHEMA.COLUMNS for that table catalog, schema and name. But I want to show the value of what is in that column (e.g., 'ABC'), not just the name. Hoping for:
COLUMN_NAME Value
----------- -----
colB 123
colA XYZ
I've tried dynamic SQL to no success, probably not executing the concept correctly...
Below is what I have:
CREATE TABLE myTable (colA VARCHAR(3), colB VARCHAR(3), colC VARCHAR(3))
INSERT INTO myTable (colA, colB, colC) VALUES ('ABC', '123', '0X')
INSERT INTO myTable (colA, colB, colC) VALUES ('XYZ', '789', 'X0')
;WITH cte AS
(
SELECT CAST(PATINDEX('%[^0]%', colC) AS SMALLINT) pos, STUFF(colC, 1, PATINDEX('%[^0]%', colC), '') colC
[Code] ....
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