Simple SQL Query- Exchanging IntegerID With Name From Other Table.

Apr 17, 2008

 Hi Guys,

I have the following query:

 SELECT DecisionSessionID, RuleID, Operator1, Criteria1, AttributeForCriteria1, Operator2, Criteria2, AttributeForCriteria2, Operator3, Criteria3,
AttributeForCriteria3, Result
FROM myTable
WHERE (SessionID = @SessionID) 


Now I want that instead of the complicated Criteria1, Crieria 2 and Criteria 3 values the users sees the names which
are defined in myCriteria. I though the query might then look like this


 SELECT
DecisionSessionID,
RuleID,
Operator1,
Criteria1 (SELECT CriteriaName FROM myCriteria WHERE Criteria1 = CriteriaID),
AttributeForCriteria1,
Operator2,
Criteria2 (SELECT CriteriaName FROM myCriteria WHERE Criteria2 = CriteriaID).
AttributeForCriteria2,
Operator3,
Criteria3 (SELECT CriteriaName FROM myCriteria WHERE Criteria3 = CriteriaID),
AttributeForCriteria3,
Result
FROM dbo.aspnet_FuzzyRules
WHERE (DecisionSessionID = @DecisionSessionID) 


I am not very familiar with the sql syntax and as you can imagine the above psyeudo version is not really working.
Do you know how the correct syntax for such a nested query would look like?

many thanks,

polynaux

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I have a database with three tablestbl_listings - listings of houses on for saletbl_intersted - table which tracks if a user is interested in thelisting, it has two columns mls(the key for tbl_listings) and user(userlogin)tbl_review - table which trackes if a user has reviewed the listing.Like tbl_interested it has two columns (the key for tbl_listings) anduser(user login)How can I create a query on tbl_listings for reocords reviewed by oneuser?I am trying to create a query for listings that are revied by useruserid. I am using the query below. It works fine unless there is arecord in tbl_interested for a differnt user.In reality I am calling this query from the web. On the website I havean intersted dropdown with the choices All, interested, not interested.The website also has a reviewed dropdown with all, reviewed and notreviewed.I am using the query below as a starting point. my query works finewith one user, but if a user2 enters a record in tbl_intersted itthrows off the left join for user1. How can I fix this?SELECT COUNT(B.reviewed) AS review_count,Count(B.mls) as mls_count,A.mls,FROM mls.tbl_listings ALEFT OUTER JOIN mls.tbl_review B ON A.mls = B.mlsLEFT OUTER JOIN mls.tbl_interested D ON A.mls = D.mlswhere (B.reviewed = 'userid') and ((D.interested is null) or(D.interested = 'userid'))----My query works fine if there is one user, however once user2 reviews arecord from tbl_listing user1

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Description on my SQL-5 Environment:

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TH
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| 2 |
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Simple MAX Query?

Jul 23, 2005

Hi AllI know that I am supposed to submit a schema of my table, but it is a verybasic one so I'll crack straight on with my query.In essence I have a 3 column table called STOCKTRANS, which consists ofSTOCKCODE, TRANSACTIONDATE and TRANSACTIONTYPE.Each time a user orders a stock item I insert the stock code and the datethey ordered it into this table, egSTOCKCODE TRANSACTIONDATE TRANSACTIONTYPEIVP 1-4-04 1STP 31-6-04 8KGC 8-7-04 6IVP 11-8-04 8etc etcetcWhat I want to create is a simple query that informs what the last orderdate was for a stock code. As you can see from the above example, I mayhave hundreds of the same stock code with different dates so I thought thatthe following query would work:select STOCKCODE, MAX(TRANSACTIONDATE) as 'LastOrderDate'from STOCKTRANSwhere STOCKCODE = 'IVP' and TRANSACTIONTYPE in (1,8)But it doesn't.NOTE: the reason for the transaction types of 1 and 8 is because these arethe types I want. The other types are used for credits, returns, etc.First of all the above, brings me back loads of rows when all I want is:IVP 11-8-04 << this being the last date of order for this stock item.Just as a test I removed the STOCKCODE out of the select and found that Idid get my one liner, but for some reason I was only getting the last datefor transaction types 1 only - not the last date for a combination of 1 and8 transactions.Can you help??Many thanksRgds Robbie

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