Adding Conditions (if/else) When Selecting Fields
Aug 18, 2004
We have three fields in a table: firstname, Surname & Organisation. Firstname & surname will always be filled but in most cases organisation is NULL.
Part of what these fields will be used for is a mailshot. If there is no organisation data then the mailshot will open with 'Dear Firstname Surname, ' but if the organisation is present they would like 'Dear Organisation'.
Is it possible to create a select state that checks the organisation field, and if a value is present return that value else return the firstname, surname combination? I have tried various things but I cannot get it to work.
I know the ideal situation would be to do this type of condition check at scripting level (PHP, ASP, Visual Basic) but my bosses would like to try it at SQL level.
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Oct 25, 2007
Hi! I have a table Tbl1 has to columns:
A B
_________
Ibm Me
Sony Me
Me Bob
Me Frank
I'd like to select all rows where B=ME and A=Me Thanks for the help
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May 14, 2014
The situation is that we have resources (trucks) that perform shifts. Shifts consists of actions. A resource can perform multiple shifts.
For every resource we want to find the record that:
- Is 'younger' than the last realized action.
- Has actionkind pickup, deliver or clean
I have constructed a solution with CTE and row_number but I was curious if there would be other alternatives. The fact that I'm joining a CTE onto itself and subject the outcome to a partition makes me think there are sharper ways.
Note that the action id in the data below is also sorted but in practice this need not be the case. The sorting key is prevalent.
output of the query is
id_action id_resource actionKindCode
4665 4 clean
34540 96 pickup
24000 901 clean
declare @mytable table (
id_action int,
id_shift int,
[code]....
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Dec 6, 2012
ID (PK), userID (FK), from [Datetime], to[datetime], type [int] , value [nvarchar]
Conditions
I want to select the column "to" which is a datetime-column for all users within the table.
One user can have multiple registered rows in "mytable", so I want to select the row that contains the newest "from" date.The newest "from"-column for a specific user is where I am struggling... Because if the "to"-column of any of the registered rows by the current user is equal to the newest "from -1 day" column for the user, I want to select the second newest from-date.
Code:
//Handwritten
DECLARE @from DATETIME //Current Selected datetime [the newest of the current user doing the query]
DECLARE @id INT //userID
DECLARE @tbl TABLE (from datetime, userid int)
[code]....
But for user ID 201 [all users with Type = 1], I need to run through some more code, to figure out which date we want... Which date do I want? The "from"-date that is the newest, but if "to" is just 1 day before "from", I want to select the "from" at that row instead... Example with numbers [integers] instead of Date:
Code:
From - To
5 8
10 15
16 20
I want to select "10" in the from column as the maximum "from"-integer, and not 16. Because in the "To" column we have a match in the "from" column on the condition "To + 1" [15+ 1 == 16], so then I want the "from" value where "To" equals 15, which is 10. The top row I do not want, because the difference between From and To [10 - 8 is larger than 1]...
This means that the Image shown... I am first selecting the "1", then I do some checks, if the "to" for the user is 1 day earlier than the MAX(from) I grab a new "from" value...
Code:
SELECT MIN (t1.from) FROM table as t1
WHERE
t1.from IN
(
SELECT t2.to+ 1 FROM table as t2
WHERE t2.userID = @id
)
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Feb 12, 2008
Hi Faculties,I have two queries which give me the same output.-- Query 1SELECT prod.name, cat.nameFROM products prod INNER JOIN categories catON prod.category_id = cat.idWHERE cat.id = 1;-- Query 2SELECT prod.name, cat.nameFROM products prod INNER JOIN categories catON prod.category_id = cat.id AND cat.id = 1;The first query uses the WHERE clause and the second one has all theconditions in the ON clause. Is there anthing wrong with the secondapproach in terms of performance? Please suggest.Thanks in advanceJackal
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Apr 15, 2014
I am facing a problem in writing the stored procedure for multiple search criteria.
I am trying to write the query in the Procedure as follows
Select * from Car
where Price=@Price1 or Price=@price2 or Price=@price=3
and
where Manufacture=@Manufacture1 or Manufacture=@Manufacture2 or Manufacture=@Manufacture3
and
where Model=@Model1 or Model=@Model2 or Model=@Model3
and
where City=@City1 or City=@City2 or City=@City3
I am Not sure of the query but am trying to get the list of cars that are to be filtered based on the user input.
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Sep 20, 2005
Hi
I have a content management system that I am building. My CMS has a
pages table which contains 60 fields, some are varchars, some are ntext
some are dates etc. They have field names which match their purpose
like varchar1, ntext3 etc. These fields are used up depending on which
template is applied to the page.
The templatefields table holds holds the information about each field
in a template. It's control type (rich text control, date control etc)
and the field in the pages table that the data will be stored in
(varchar1,ntext3 etc)
What I want to be able to do is loop through the templatefeilds table
for a particular template and then using the field name for the pages
table, go to the pages table and get the value to populate the control.
So to clarify, I would like to produce a stored procedure which outputs
the page field name (varchar1) from the templatefields table and
varchar1's value in the pages table. Maybe in a temporary table.
Is this possible?
Any guidance would be appreciated..
Thanks in advance
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Mar 16, 2006
Need syntax for selecting fields from 2 different datasets in one report.
Each dataset connects to a different server.
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May 19, 2008
Hey all
This is probably the wrong category to post my question in. Apologies if it is.
I have got a Data Flow Task that has an OLE DB Source and a Flat file destination.
Is there a way to do the following:
SELECT id,'31809','C:LCImportDataImages' & id & '.jpg', '1' FROM table1
This obviously doesn't work but I want to insert the id from the table, followed by the value '31809', followed by 'C:LCImportDataImagesid.jpg', followed by '1'
So, the id in 'C:LCImportDataImagesid.jpg' is the same as the id from the table.
I want the file to look like:
1, 31809, C:LCImportDataImages1.jpg, 1
2, 31809, C:LCImportDataImages2.jpg, 1
5, 31809, C:LCImportDataImages5.jpg, 1
etc...
I would really appreciate it if someone could point me to the right direction.
I am trying to work on it..will put up a solution if I find one myself.
Many thanks,
Rupa
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Jul 31, 2007
I have three user tables (identical structure) that holds customer information. Each has about 1200 records, give or take a dozen, 99% of which are identical. However, there are a few records in each table that differ. Im trying to select the differences in these tables using a query.Each customer has a custmer ID, but cust_id 1234 in table a may not be the same customer as cust_id 1234 in table b. Therefore, i am trying to compare using the cuLoginName field which is the username/email address text field. This is what differentiates the records.
I have tried using
select cust_id, cuLoginNamefrom tblCustomerAwhere NOT exists (select cuLoginName from tblCustomerB)
to get the different records between the two tables (i.e. those in A but not in B), but even though there are two users in A that do not appear in B, the results are coming back with nothing. I am guessing this is a problem comparing on text fields?
What is an effective way around this problem?
Thanks
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Aug 3, 2000
I have a select statement which has to convert some date fields stored
as varchar based on critera of adding numbers to the date. What I have below
will return data show below but gives me an error message when it encounters
any data with null in the field. Is there something wrong in my conversion?
Thanks
declare @tdate varchar(10)
declare @rldate datetime
select @tdate = 20000630
select @rldate = @rldate + 2
select patient_.df_admit_date, patient_.df_ppdb_date from patient_
where (convert(datetime, df_ppdb_date, 101)+ 12) >= @tdate or
(convert(datetime, df_admit_date, 101) + 2 ) >= @tdate
19980910 20000626
19981215 20000627
19590114 20000621
20000629 NULL
20000706 NULL
20000711 NULL
(6 row(s) affected)
Server: Msg 242, Level 16, State 3, Line 5
The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value.
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Jul 21, 2004
I need to list all the records in Table2 which don't have matching field values in Table1.
This the the exact opposite of what I need:
SELECT DISTINCT
Field1,
Field2,
Field3,
Field4,
Field5
FROM
[Table1]
WHERE EXISTS(
SELECT DISTINCT
FieldA,
FieldB,
FieldC,
FieldD,
FieldE
FROM
[Table2]
)
The above seems to give me all records in Table1 in which the five fields match the five fields specified in Table2. What does not show up is the test record I put in Table2 which is not in Table1.
What I need, however, is the exact opposite.
I tried the above using NOT EXISTS but I get no records at all.
How do do this?
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Jul 20, 2005
I have the following table structure.group1 group2 group1_result group2_result'One' 'Two' 3 2'One' 'Two' 3 1'One' 'Two' 2 5'One' 'Two' 4 1'One' 'Two' 0 5I need to sum up the number of times 'One' is greater than 'Two', andvice-versa. For example, the result I would like to achieve is asfollows.group1 group2 group1_total group2_total'One' 'Two' 3 2I'm using the following SQL statement, but I get 5 rows returned,giving me a '1' or '0' for each row.select group1, group2,sum(CASE WHEN group1_result > group2_result THEN 1 ELSE 0 END),sum(CASE WHEN group2_result > group12_result THEN 1 ELSE 0 END)FROM table1GROUP BY group1, group2Any help would be greatly appreciated.
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Jan 10, 2008
My question is fairly simple. When I join between two tables, I always use the ON syntax. For example:
SELECT
*
FROM
Users
JOIN UserRoles
ON (Users.UserRoleId = UserRoles.UserRoleId)
No problems there. However, if I then decide to further filter the selection based on some trait of the UserRole, I have two options: I can add the condition as a WHERE statement, or I can add the condition within the ON block.
--Version 1:
SELECT
*
FROM
Users
JOIN UserRoles
ON (Users.UserRoleId = UserRoles.UserRoleId)
WHERE
UserRoles.Active = 'TRUE'
-- Version 2
SELECT
*
FROM
Users
JOIN UserRoles
ON (Users.UserRoleId = UserRoles.UserRoleId
AND UserRoles.Active = 'TRUE')
So, the question is, which is faster/better, if either? The Query Analyzer shows the two queries have the exact same execution plan, which makes sense, since they're both joining the same tables. However, I'm wondering if adding the condition in the ON statement results in fewer rows the JOIN statement initially needs to join up, thus reducing the overall initial size of the results table before the WHERE conditions are applied.
So is there a difference, performance wise? I imagine that if Users had a thousand records, and UserRoles had 10 records, then the JOIN would create a cartesian product of the two tables, resulting in 10,000 records in the table before the WHERE conditions are applied. However, if only three of the UserRoles is set to Active, would that mean that the resulting table, before applying WHERE conditions, would only contain 3000 records?
Thanks for whatever information you can provide.
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Nov 2, 1998
I have a table that I need to add an identity field to. I created a field in the table as an INT and added values to all of the existing records. When I try to change it to an IDENTITY field I continually get an error saying 'Invalid cursor state' . The help function tells me that this is caused by not having enough space in the transaction log but I don't understand this b/c the trans log is configured to expand as needed. Anyone know how I can do this?
Thanks,
Tony
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Oct 17, 2007
I am new to SQL Server 2005 and I am trying to add two fields to an existing table. The table has 15 Million records in it and the save is not completing. How do I add the new fields?
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Jul 23, 2005
I have a query that I need a hand on. I am trying to add togther somefiends based on values of another.What I would like to add a billing total by saying more or less thefollowing:SELECT labor_hours, labor_cost, expidite_fee, flat_rate,include_repair_cost, include_cal, include_flat_rate, include_parts,cur_bill,(labor_hours * labor_cost) AS labor_total,(ISNULL((SELECT TOP 1 cal_cost FROM calID WHERE orderID=79559 ORDER BYdateCAL DESC),0)) AS cal_total,(ISNULL((SELECT SUM((qty * cost) + premium_charge) AS gptotal FROMrepair_partsID WHERE orderID=79559),0) +ISNULL((SELECT SUM(qty_needed * cust_cost) AS gnptotal FROMmisc_part_assocID WHERE orderID=79559),0)) AS parts_total,((labor_hours * labor_cost) + expidite_fee + flat_rate +ISNULL((SELECT TOP 1 cal_cost FROM calID WHERE orderID=79559 ORDER BYdateCAL DESC),0) +ISNULL((SELECT SUM((qty * cost) + premium_charge) AS gptotal FROMrepair_partsID WHERE orderID=79559),0) +ISNULL((SELECT SUM(qty_needed * cust_cost) AS gnptotal FROMmisc_part_assocID WHERE orderID=79559),0)) AS actual_total,(expidite_feeIF include_repair_cost = 1+ (labor_hours * labor_cost)IF include_flat_rate = 1+ flat_rateIF include_cal = 1+ ISNULL((SELECT TOP 1 cal_cost FROM calID WHERE orderID=79559 ORDERBY dateCAL DESC),0)IF include_parts = 1+ ISNULL((SELECT SUM((qty * cost) + premium_charge) AS gptotal FROMrepair_partsID WHERE orderID=79559),0) +ISNULL((SELECT SUM(qty_needed * cust_cost) AS gnptotal FROMmisc_part_assocID WHERE orderID=79559),0)) AS billing_totalFROM view_inventoryWHERE orderID=79559I know the IF part is whacked, that's where I need the help. Is thistype of thing even possible? Or even efficent? Is it wise to subqueryfor totals (not like I have a choice based on the applicationrequirements)? help.
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Jul 20, 2005
I have a table with some fields. break_mon, lunch_mon, dinner_mon, ent_mon,break_tue, lunch_tue, dinner_tue, ent_tue, .....etcI want to output the sum of the four monday columns as well as the sum ofthe four tuesday columns.I did this withSELECT break_mon+lunch_mon+dinner_mon+ent_mon AS mon_tot,break_tue+lunch_tue+dinner_tue+ent_tue AS tue_totFROM expense_reportI now want to add mon_tot and tue_tot AS total, but SQL is telling me thatit can not find mon_tot. Is there a way to do this? Thanks!DarrenMCP
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Dec 28, 2006
I am attempting to add additional fields and data to the default users database that is created as a result of enabling roles on my website. Is it possible to add additional data fields to this file? Where can I find the commands to do this?
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Apr 11, 2006
EX: I have a table for products, and each product has a quantity. How can I add up the QTY field in all the rows to find out the total QTY of all the products.Any help would be greatly appreciated.gkc
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Oct 27, 2000
Can I add a description to a table or field? The way access gives you to add a description to a field.
Thanks!
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May 19, 2006
I need help to add new fields in Transaction replication & also want to know how it will be replicated to Subscriber.
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Apr 5, 2004
This is driving me crazy! The SQL Statement refenced is shown at the end of this email.
When I try and run the statement, an error is raised saying that Undrawn_GT5MIL_LE365Days is invalid (likewise for Undrawn_LE5MIL_LE365Days). From what I can gather, it is saying that I cannot include a User Defined variable in another argument. This is unlike Access. Any suggestions?
SQL View.......
SELECT TOP 100 PERCENT QRY_FacNew_Term.Category, QRY_FacNew_Term.Fac_No, QRY_FacNew_Term.Client_Number, QRY_FacNew_Term.Client_Name,
Undrawn_GT5MIL_LE365Days = CASE WHEN Undrawn_CDN >= 5000000 AND Term <= 365 THEN Undrawn_CDN ELSE 0 END,
Undrawn_GT5MIL_GT365Days = CASE WHEN (Undrawn_CDN >= 5000000 AND Term > 365) OR
(Cr_Limit_CDN IN (0, 1)) THEN Undrawn_CDN ELSE 0 END, [Undrawn_GT5MIL_LE365Days]+[Undrawn_GT5MIL_GT365Days] AS Total
FROM dbo.QRY_FacNew_Term
WHERE (Exclude <> 'Y')
ORDER BY Category, Client_Name
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Jun 1, 2007
hi,
i have a DB and it has some tables that the tables has related link (diagram).now when i wanna to change a table's field , the Sql Server errors that the table is not empty.when i try to delete the table's content , Sql server errors that the table is use a relation with another table.
so can i change a table's structure?
by the way before i forget , the Sql Server's error is below:
'UserManagement' table
- Unable to modify table.
ALTER TABLE only allows columns to be added that can contain nulls, or have a DEFAULT definition specified, or the column being added is an identity or timestamp column, or alternatively if none of the previous conditions are satisfied the table must be empty to allow addition of this column. Column 'isadmin' cannot be added to non-empty table 'UserManagement' because it does not satisfy these conditions.
thanks,
M.H.H
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Jul 23, 2005
How can I create a script that updates a table with new fields withoutlosing the data in the table (i.e., without dropping and recreating thetable)?Thanks.
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Aug 13, 2004
I have an existing table which has about 70 columns with 3 million rows in it. I was asked to add additional 50 new columns into the table. I have tried to add them in through the Enterprise manager design table but experiencing some problems. The adding process seemed never going to be end. Is there any good efficient way to do it??? I appreciate the help!
J8
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Oct 1, 2007
Can I make a calculated field by using two fields from different data sets?(I'm talking about SSRS data sets)
I tried to do that. But I got a error message.
"Report item expressions can only refer to other report items within the same grouping scope or a containing grouping scope."
Please can some one help me out?
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Sep 7, 2007
Hi, i'm trying to do a full text search on my site to add a weighting score to my results. I have the following database structure:
Documents: - DocumentID (int, PK) - Title (varchar) - Content (text) - CategoryID (int, FK)
Categories: - CategoryID (int, PK) - CategoryName (varchar)
I need to create a full text index which searches the Title, Content and CategoryName fields. I figured since i needed to search the CategoryName field i would create an indexed view. I tried to execute the following query:
CREATE VIEW vw_DocumentsWITH SCHEMABINDING ASSELECT dbo.Documents.DocumentID, dbo.Documents.Title, dbo.Documents.[Content], dbo.Documents.CategoryID, dbo.Categories.CategoryNameFROM dbo.Categories INNER JOIN dbo.Documents ON dbo.Categories.CategoryID = dbo.Documents.CategoryID
GOCREATE UNIQUE CLUSTERED INDEX vw_DocumentsIndexON vw_Documents(DocumentID)
But this gave me the error:
Cannot create index on view 'dbname.dbo.vw_Documents'. It contains text, ntext, image or xml columns.
I tried converting the Content to a varchar(max) within my view but it still didn't like.
Appreciate if someone can tell me how this can be done as surely what i'm trying to do is not ground breaking.
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Sep 20, 2007
I've got a big problem that I'm trying to figure out:
I have an address table out-of-which I am trying to select mailing addresses for companies UNLESS a mailing address doesn't exist; then I want to select the physical addresses for that company. If I get multiple mailing or physical addresses returned I only want the most recently edited out of those.
I don't need this for an individual ID select, I need it applied to every record from the table.
My address table has some columns that look like:
[AddressID] [int]
[LocationID] [int]
[Type] [nvarchar](10)
[Address] [varchar](50)
[City] [varchar](50)
[State] [char](2)
[Zip] [varchar](5)
[AddDate] [datetime]
[EditDate] [datetime]
AddressID is a primary-key non-null column to the address table and the LocationID is a foreign key value from a seperate Companies table.
So there will be multiple addresses to one LocationID, but each address will have it's own AddressID.
How can I do this efficiently with perfomance in mind???
Thank you in advance for any and all replies...
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Jan 28, 2008
I have just started using SQL Server reporting services and am stuck with creating subreports.
I have a added a sub report to the main report. When I right click on the sub report, go to properties -> Parameters, and click on the dropdown for Parameter Value, I see all Sum and Count fields but not the data fields.
For example, In the dropdownlist for the Parameter value, I see Sum(Fields!TASK_ID.Value, "AppTest"), Count(Fields!TASK_NAME.Value, "CammpTest") but not Fields!TASK_NAME.Value, Fields!TASK_ID.Value which are the fields retrieved from the dataset assigned to the subreport.
When I manually change the parameter value to Fields!TASK_ID.Value, and try to preview the report, I get Error: Subreport could not be shown. I have no idea what the underlying issue is but am guessing that it's because the field - Fields!TASK_ID.Value is not in the dropdown but am trying to link the main report and sub report with this field.
Am I missing something here? Any help is appreciated.
Thanks,
Sirisha
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Feb 20, 2008
How can I create a Table whose one field will be 'tableid INT IDENTITY(1,1)' and other fields will be the fields from the table "ashu".
can this be possible in SQL Server without explicitly writing the"ashu" table's fields name.
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Jan 26, 2008
sir
I have got this error message to establish connction with recordset vb .net, Can you please rectify this
Too many arguments to 'Public Overridable ReadOnly Default Property Fields() As ADODB.Fields'
my code like this
rs = New ADODB.Recordset
rs.Open("Select * from UserLogin where userid='" & txtUserName.Text & "'", gstrDB, DB.CursorTypeEnum.adOpenStatic)
If txtUserName.Text = rs.Fields.Append(userid) Then
MsgBox("OK", MsgBoxStyle.OKOnly, "Confirmation")
End If
thanks
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Sep 3, 2015
Is there any way or option to get the all columns of dataset added to table when we add a table in data region. It will take lot of time to add one by one and also there are chances to add one column ore than once.
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