SQL Server :: Using If Statement In Query
Mar 9, 2011
I have a requirement in my app to find out if a certain row exists in a table and then if it does get some fields from another row
I have two parameters an EventId and a UserId.
This is the normal statement I would use to get that row
[Code]....
Then I would check if the result > 0. If it is greater than 0 this is the statement I would use to get the other details
[Code]....
So how can I join this into one statement? This is what I have tried
[Code]....
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Similar Messages:
Jan 24, 2011
I need to excute one insert query basend on two different if conditins. If one of them conditions is true then excute block of code.
For Example,
if exists( select * from tablename where docid = @docid and adv_feed <> 'sent' ) or
if not exists (select * from usaa_audit_fields_log where docid = @docid)
begin
insert statement
end
I have tried using OR statement between them but it doesn't work.
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Sep 29, 2010
I have a sql datasource with the ControlParameter called ddlDropDownList.
2 questions:
1. Is my syntax below ok, I am getting a runttime error that the syntax is incorrect.
2. I have the select statement set up the control parameter to get the selected value from the dropdownlist as shown below, is that syntax correct? especially the "selectedItem.value" for the propertyname property.
[Code]....
[Code]....
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Aug 16, 2010
I have SQL Details View insert statement, I need to have a Condition checked for the Insert Query. The condition is, I do have a table by name table1 with the No of Questions (for Eg: 10). The insert statement shud insert data to the table2 (Another table) only if the no of rows is less than or equal to 10 else it shud give me a message (It has exceeded the no of questions).
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Jan 18, 2011
[Code]....
[Code]....
creating Linq query in return statement
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Aug 18, 2010
My application includes BUILDING table with columns BUILDING_ID, NAME, TOWN_ID, I run the LINQ query listed below and need to append two letters to buildings.NAME based on TOWN_ID. I assume that I need to place an "if" or "select" statement inside the query but I can not figure out how to do that,
[Code]....
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Feb 15, 2010
I am having difficulty selecting data from 2 tables that do no share a primary key value. For instance, I have an actual table, a forecast table, and a GLText table. I may have an actual value but not a forecast value but I need them to appear in the same Query (like the query results shown below). I can get all values to appear in each table but have been unsuccessful in getting all values from both tables.
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Jun 21, 2010
how to get the sql statement query or table name if oledbexception occurs - table or view does not exists.
get the DB details from the oledb exception.
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Apr 1, 2010
i have a form view that takes fields from two tables 'Contract' and 'volunteers', however because i used a query builder,i have to input an insert statement. How do i create an insert statement for two tables in one query?
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Sep 25, 2010
have a very important issue,i have three Stored Procedures Sp1,Sp2 and Sp3 .the first one (Sp1) will execute the second one (Sp2) and save returned data into @tempTB1 and the Second one will execute the third one (Sp3) and save data into @tempTB2.if I execute the Sp2 it will works and it will returned me all my data from the Sp3 ,but the problem is in the Sp1, when i execute it it will display this Error:INSERT EXEC statement cannot be nested I tried to change the place of execute Sp2 and it display me another error:Cannot use the ROLLBACK statement within an INSERT-EXEC statement.
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Mar 2, 2011
i faced a problem during i want to create inner join in query builder.
Here is my statement
[Code]....
If i select 2 tables, i can get the result. But when i insert 1 more table, i failed to get my result.
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Feb 11, 2011
I want to use "if statement" in Linq query. How can I do this situation?
For example:
if txtAge.Text=="", I will not use that in Linq Query.
else txtAge.Text!="", I will use that in Linq Query.
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May 17, 2010
By right clicking on my database i created a query in server explorer. But where are this query stored can't find them back. I should aspect that their is a folder query's like there is a folder tables but this isn't the case.
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Mar 2, 2011
I am trying to create statitics for game downloads and am having dificulty with a sub part of my query. the goup by command is not having the disired result and i think i have been looking at it too long to see what i am doing wrong. [Code]....
At the moment it is producing each result in many rows when only 4 rows should appear. its the download column that is doing it. needs to be sub queried or something to display total in relation to month,gameid,userid.
Month-download-GameID-UserID
1 1
1 1
1 1
1 1
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Feb 1, 2011
I am trying to display this query result in an aspx page.
It is very slow in loading. Here is the query. The inner query inside the outer quesry is the problem.(Please see the underlined part in the query) - (If I remove that part it is very fast.)
select
top 500
--This column is the issue
,Governing_Class=( case when exists (select top 1 tqc.class_code from
t_quote_class tqc
inner join t_quote_class_premium tqcm on tqc.class_code =tqcm.
class_code
where tqc.appid=pi.appid and tqc.class_code not in('8742' ,'8810','7380')
order by tqcm.premium_amt desc
)
then ( select top 1 tqc.class_code from
t_quote_class tqc
inner join t_quote_class_premium tqcm on tqc.class_code =tqcm.
class_code
where tqc.appid=pi.
appid
order by tqcm.premium_amt desc
)
......... From tables
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Feb 27, 2011
The following stored procedure updates the value in LeaveTransaction table.
[code].,...
My Question here:
I have written the above trigger,which would update the value for the corresponding records in another table ie) LeaveCumulative table. The trigger is not updating the value in the designated rows in the leavecumulative table. Whereas when I excute the same update command separately in the Query Editor window the trigger is working fine.
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Sep 3, 2010
I am a biggner in SQL DB . but i started a complicated and painfull work in SQL SERVER 2008. the problem convert Oracle hierarchical query to SQL query. the query
SELECT DISTINCT
LEVEL LVL,
SCH.NSCHEDULE_SL,
SCH.NSCHEDULE_SL_FM,
SCH.CSHED_CNAME
FROM FA_SCHEDULES SCH
WHERE LEVEL = 1
AND NSCHEDULE_SL_FM IS NULL
AND NBRANCH_SL = 2
CONNECT BY PRIOR SCH.NSCHEDULE_SL_FM = SCH.NSCHEDULE_SL
AND NBRANCH_SL = 2
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Nov 4, 2010
i have tow query in one stored procedure
first query and the second one every of them return only value
i want to copy the result of tow values in a new row in new table
as i want to check on this tow values in ado.net
i want to get only this tow values as a row not first and secon query
only a row has result of first and second query results
[Code]....
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Oct 14, 2010
How can I SELECT second if first SELECT returns nothing?
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Dec 2, 2010
i have two tables named
1.LookupPageInfo and (LookupPageInfoId,pathmessageID,pagemessageID)
2.Messages (MessageId,MessageText,ChannelID)
Now i need to write a query something like this........in the query i need to pass the pathmessageid and needs to get messagetext from Messages Table,i am not sure how i need to write the below query..can someone guide me how can i write a query......as below..
select LookupPageInfoId,
PathMessageID,
pagemessageID,
(select messagetext from Messages where MessageID=PathmessageId) as TEXT from LookupPageInfo
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Jan 15, 2011
At University it was suggested to us that the best way to learn about designing and implementing databases is to practice the art. So I chose the following statement to implement and refine my skills:
Harpers Hauliers deliver shipments on contract for customers. Each contract is identified by a unique contract number. The contract may require a single or many shipments. Each shipment must be allocated resources of a vehicle (regisatration number, type, volume, weight), which is suitable for the shipment and a driver (name, address, telephone number) who is licensed to drive that type of vehicle.
As soon as a customer (companyname, address, telephone number) makes an enquiry, a pending contract is set up. The contract is then negotiated on price between the customer and the haulier. Not all pending contracts are successfully negotiated. Either the customer or the haulier may back out at this stage. If the haulier has previously carried for this customer and financial settlements were not made to his satisfaction, he may reject the contract. He may also reject the contract on the basis that he thinks the workload being undertaken is too big a risk for his company with this customer that is the contract is worth more than he is willing to risk for this customer.
An agreed contract requires the haulier to deliver the listed shipments between a start and an end date, at an agreed price. The haulier always takes out an insurance policy on the contract, in case he cannot allocate enough resources to the contract to get it delivered on time.For each shipment in the delivery there is an origin and destination. The shipment has a description, a weight and a volume. The haulier has a fleet of vehicles of different types and a staff of drivers with different license types, to match the vehicle types. During the contract, the haulier tries to allocate vehicle, driver and time-slot resources to each ship-ment. The vehicle must have a suitable volume and weight capacity and the driver must have a suitable license to drive that vehicle.
The time must be when the driver and vehicle are free and before the contract end date. As each shipment is delivered, it is marked off as delivered by the driver, giving the date and time of delivery. If not all shipments are delivered by the contract end date, the con-tract becomes overdue, incurring a penalty cost on the haulier. When all shipments are delivered, the haulier invoices the customer for the required amount. Each invoice is has a date and is identified by a unique invoice number . Payment from the customer may be in full or may be partial. The contract is kept active until all payments have been made against it.
And here is the ERD that I have come up with. I have created the ERD in Visio 2010.
[IMG]http://i56.tinypic.com/6s43t4.jpg[/IMG]
Can someone who's an expert in Database design kindly check my ERD and see if it perfectly matches the Problem Statement.
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Dec 27, 2010
I've build a query, but the where statement is doing strange things. First my query:
select * from
(
SELECT 1 as Tag, null as Parent, row_number() OVER (ORDER BY tblOccasion.ID DESC) AS [tblOccasion!1!rownum], FROM tblOccasionwhere tblOccasion.UserID = @UserName and ((tblOccasion.MerkDesc like '%' + @search + '%')or(tblOccasion.UitvoeringDesc like '%' + @search + '%')or(tblOccasion.UitvoeringDesc like '%' + @search + '%'))
) AS A where a.[tblOccasion!1!rownum] BETWEEN (@startRowIndex) AND (@startRowIndex+@pageSize)
order by a.[tblOccasion!1!MerkDesc!Element],a.[tblOccasion!1!TypeDesc!Element],a.[tblOccasion!1!UitvoeringDesc!Element]
FOR XML EXPLICIT;
But the result should be ordered by Merkdesc, then TypeDesc, and then as last the uitvoeringDesc.
So for testing i only used the MerkDesc. The strange thing is that i get the result:
BMW
BMW
BMW
Opel
Volvo
But this was page 1, on page 2 (paging) you got BMW again... so he takes the first 5 rows ore something and then the order. But i like that he first orders it by MerkDesc and then picks the first 5. How can i change that, i can't add a Order by in the inline sql statement i get this error: Msg 1033, Level 15, State 1, Procedure MijnAdvertenties, Line 47 De ORDER BY-component is ongeldig in weergaven, in line functies, afgeleide tabellen en algemene tabelexpressies, tenzij ook TOP of FOR XML is opgegeven.
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Nov 9, 2010
I'm trying to pull a list of clients that have both of two codes in the code table. Here is what I have tried and it does not return any rows. I know that there are clients that have both codes.
[Code]....
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Dec 17, 2010
Using sql server 2005.
I have an Query A of fields that returns X number of records.
I create a Query B of same fields that returns X-80 number of records.
I want to find out the 80 records that are in Query A but are not in Query B. what is the syntax for this?
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Nov 8, 2010
Trying to get a query going in SQL server but I get bad/ errors in the query.I have a 2 tables. One is the "Project" table while the other is the "Task" table.Table structure is as follows.
Project table => ProjectID,ProjectName
Task table => TaskID, TaskName,ProjectID,Quarter, Hours
A project can have many task. The ProjectID in Task table is the foreign key which reference the project ID.What I need to do is to SUM all the hours in the Task table and group it by quarter and then group it by ProjectID. Output of the SQL should be in the form of projectID,Quarter, Hours.
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