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cross apply xml query performs exponentially worse as xml document grows

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What I Have I have a variable size XML document that needs to be parsed on MSSQL 2008 R2 that looks like this: <data item_id_type="1" cfgid="{4F5BBD5E-72ED-4201-B741-F6C8CC89D8EB}" has_data_event="False"> <item name="1"> <field id="{EA032B25-19F1-4C1B-BDDE-3113542D13A5}" type="2">0.506543009706267</field> <field id="{71014ACB-571B-4C72-9C9B-05458B11335F}" type="2">-0.79500402346138</field> <field id="{740C36E9-1988-413E-A1D5-B3E5B4405B45}" type="2">0.0152649050024924</field> </item> <item name="2"> <field id="{EA032B25-19F1-4C1B-BDDE-3113542D13A5}" type="2">0.366096802804087</field> <field id=

How to query values from xml nodes?

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i have a table that contains an XML column: CREATE TABLE Batches( BatchID int, RawXml xml ) The xml contains items such as: <GrobReportXmlFileXmlFile> <GrobReport> <ReportHeader> <OrganizationReportReferenceIdentifier>1</OrganizationReportReferenceIdentifier> <OrganizationNumber>4</OrganizationNumber> </ReportHeader> </GrobReport> <GrobReport> <ReportHeader> <OrganizationReportReferenceIdentifier>2</OrganizationReportReferenceIdentifier> <OrganizationNumber>4</OrganizationNumber> </ReportHeader> </GrobReport> <GrobReport> <ReportHeader> <OrganizationReportReferenceIdentifier>3<

SQLXML without XML encoding?

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问题 I'm using a generic system for reporting which takes data from a database view (SQL Server 2005). In this view I had to merge data from one-to-many relations in one row and used the solution described by priyanka.sarkar in this thread: Combine multiple results in a subquery into a single comma-separated value. The solution uses SQLXML for merging the data (subquery): SELECT STUFF( ( SELECT ', ' + Name FROM MyTable _in WHERE _in.ID = _out.ID FOR XML PATH('')), -- Output multiple rows as one

How to query for Xml values and attributes from table in SQL Server?

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问题 I have a table that contains a Xml column: SELECT * FROM Sqm A sample of the xml data of a row would be: <Sqm version=\"1.2\"> <Metrics> <Metric id=\"TransactionCleanupThread.RecordUsedTransactionShift\" type=\"timer\" unit=\"µs\" count=\"1\" sum=\"21490\" average=\"21490\" minValue=\"73701\" maxValue=\"73701\" >73701</Metric> <Metric id=\"TransactionCleanupThread.RefundOldTrans\" type=\"timer\" unit=\"µs\" count=\"1\" sum=\"184487\" average=\"184487\" minValue=\"632704\" maxValue=\"632704\"

cross apply xml query performs exponentially worse as xml document grows

阅读更多关于 cross apply xml query performs exponentially worse as xml document grows

问题 What I Have I have a variable size XML document that needs to be parsed on MSSQL 2008 R2 that looks like this: <data item_id_type=\"1\" cfgid=\"{4F5BBD5E-72ED-4201-B741-F6C8CC89D8EB}\" has_data_event=\"False\"> <item name=\"1\"> <field id=\"{EA032B25-19F1-4C1B-BDDE-3113542D13A5}\" type=\"2\">0.506543009706267</field> <field id=\"{71014ACB-571B-4C72-9C9B-05458B11335F}\" type=\"2\">-0.79500402346138</field> <field id=\"{740C36E9-1988-413E-A1D5-B3E5B4405B45}\" type=\"2\">0.0152649050024924<

How to query values from xml nodes?

阅读更多关于 How to query values from xml nodes?

问题 i have a table that contains an XML column: CREATE TABLE Batches( BatchID int, RawXml xml ) The xml contains items such as: <GrobReportXmlFileXmlFile> <GrobReport> <ReportHeader> <OrganizationReportReferenceIdentifier>1</OrganizationReportReferenceIdentifier> <OrganizationNumber>4</OrganizationNumber> </ReportHeader> </GrobReport> <GrobReport> <ReportHeader> <OrganizationReportReferenceIdentifier>2</OrganizationReportReferenceIdentifier> <OrganizationNumber>4</OrganizationNumber> <