Best PHP approach

Hi,
We use dbxml 2.4.13 php API (with php_db4). The app uses intensive xquery (just read - no xml_modify) on document, and performs whole document update : getDocument() => setContent() => updateDocument(). In addition, we works on 2 containers with 1 manager.
The first approach we have take works well, without using DBenv and Transaction. I have tried to enable dbenv and transaction, at the first sight it was perfect, i can see log files, use xquery trace function and transactions (although transaction is not required for us). But regulary, the openContainer function hang, and the only solution is to restart apache, which do not solve the openContainer hang though.
if i call db_deadlock -v it says "125 lockers" and "rejected 0 locks". after that i still can't openContainer from php, and db_verify hangs as well. the only solution is to call db_recover, which make the all things working again.
During this testing phase, i was using only one web-browser, so i don't think it's a concurrent write deadlock problem.
My questions are :
1/* What's wrong with my dbenv setup ?
2*/ Can i have dbenv without transaction (just log file) as my main concern is the reliabilty of stored data ?
3*/ Can i rely on just using the php api without log and transaction ? (no concurency updateDocument problem ?)
Thanks for your replies,
Willy

If you are Windows:
XAMPP and WAMP are excellent choices to get it setup quickly. I personally prefer WAMP.
If you are on Ubuntu:
Use the Synaptic Package Manager to install packages for Apache, MySQL and PHP.

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as
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Union All
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FROM cte A
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GROUP BY A.sDate
SELECT
FROM
SELECT
CONVERT(CHAR(3), datename(month,PlanMonth)) + ' ' + RIGHT(CONVERT(VARCHAR(4), YEAR(PlanMonth)), 2) AS PlanDate
,SUM(PlanQuantity) AS [PastTrend - Plan]
,SUM(Actual) AS [PastTrend - Actual]
,NULL AS [Current - Plan]
,NULL AS [Current - Actual]
FROM
MonthTable
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group by PlanMonth
UNION ALL
SELECT
PlanDate
,[PastTrend - Plan]
,[PastTrend - Actual]
,[Current - Plan]
,[Current - Actual]
FROM
#TEMP
) T1
DROP TABLE #TEMP
When i use Actual execution plan, Query Cost (relative to the batch) : 90%
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as
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Union All
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T1.PlanDate
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,T1.[PastTrend - Actual]
,T1.[Current - Plan]
,T1.[Current - Actual]
FROM
SELECT
A.sDate AS OriginalDate
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,NULL AS [PastTrend - Actual]
,SUM(B.PlanQuantity) AS [Current - Plan]
,SUM(B.Actual) AS [Current - Actual]
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SELECT
PlanMonth AS OriginalDate
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,NULL AS [Current - Actual]
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Here Query Cost (relative to the batch) : 100%
So can you suggest the best one. Actually i wrote the second method to avoid temp tables. If any failed in the query after create temp table, it will deleted. To avoid like problems and for simplicty i prefer the second. one. But now i am confused
which is the best one in the performance wise also.

p>I will try to chnage as per your suggestions. Actually here the presentation is fully dynamic and the header is always used from the column name. So only i try to give the name with hyphen.
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[ModelGroup] [int] NULL,
[ModelLocation] [int] NULL
) ON [PRIMARY]
GO
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[IPCPlanDate] [datetime] NOT NULL,
[ModelID] [int] NOT NULL,
[ModelName] [nvarchar](50) NOT NULL,
[PlanQuantity] [int] NOT NULL,
[Actual] [int] NOT NULL,
[DifferenceQuantity] [int] NOT NULL,
[ValuesetparameterId] [int] NULL,
[ReasonCode] [nvarchar](20) NULL,
[Remarks] [nvarchar](200) NULL,
[CreatedBy] [int] NOT NULL,
[CreatedDate] [datetime] NOT NULL,
[CreatedIP] [nvarchar](30) NOT NULL,
[Cell1Cell2Map] [int] NULL,
[Cell3Actual] [int] NULL,
[FB] [int] NULL,
[Remarks2] [nvarchar](max) NULL,
[Remarks3] [nvarchar](max) NULL,
[Remarks4] [nvarchar](max) NULL,
[Remarks5] [nvarchar](max) NULL,
[Remarks6] [nvarchar](max) NULL,
[Remarks7] [nvarchar](max) NULL,
[Remarks8] [nvarchar](max) NULL,
[Remarks9] [nvarchar](max) NULL,
[Remarks10] [nvarchar](max) NULL,
[Remarks11] [nvarchar](max) NULL,
[Remarks12] [nvarchar](max) NULL,
[UpdatedBy] [int] NULL,
[UpdatedDate] [datetime] NULL,
[UpdatedIP] [nvarchar](30) NULL,
[ClosureFlag] [bit] NULL,
[UnApproval] [int] NULL,
[ModelTypeName] [varchar](100) NULL,
[ModelCategoryName] [varchar](100) NULL,
[ModelColorName] [varchar](100) NULL,
[ModelGroupName] [varchar](100) NULL,
[ModelLocationName] [varchar](100) NULL,
[ModelTypeId] [int] NULL,
[ModelCategory] [int] NULL,
[ModelColor] [int] NULL,
[ModelGroup] [int] NULL,
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Hi,
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Thanks,
Patrick

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Message was edited by: Eric Cappotto

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Thanks
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Andreas Wolter (Blog |
Twitter)
MCSM: Microsoft Certified Solutions Master Data Platform, MCM, MVP
www.SarpedonQualityLab.com |
www.SQL-Server-Master-Class.com

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