To generate XML from a SQL query in the specified format, you can use the FOR XML
clause in SQL Server. However, the FOR XML
clause generates XML in a hierarchical format, so you will need to construct your query to match the desired XML structure. Here’s an example query that should achieve the desired result:
sqlSELECT
'XYZ' AS PrintedBy,
'22/01/2015' AS PrintedDate,
'C:/Img/a.png' AS Image,
'Title' AS Title,
(
SELECT
'123' AS Name,
'' AS UserName,
'' AS Remarks,
'0.0.0.0' AS IPAddress,
'2016-02-24T18:32:11.803' AS DateCreated,
'BOS' AS AppID,
'0.0.3.0' AS AppVersion,
'2016-06-23T16:04:07.167' AS LastLoggedin
FOR XML PATH('Report'), TYPE
) AS Reports
FOR XML PATH('Reports'), ROOT('Reports')
This query will generate XML in the following format:
xml<Reports>
<Header>
<PrintedBy>XYZPrintedBy>
<PrintedDate>22/01/2015PrintedDate>
<Image>C:/Img/a.pngImage>
<Title>TitleTitle>
Header>
<Reports>
<Report>
<Name>123Name>
<UserName>UserName>
<Remarks>Remarks>
<IPAddress>0.0.0.0IPAddress>
<DateCreated>2016-02-24T18:32:11.803DateCreated>
<AppID>BOSAppID>
<AppVersion>0.0.3.0AppVersion>
<LastLoggedin>2016-06-23T16:04:07.167LastLoggedin>
Report>
<Report>
<Name>123Name>
<UserName>UserName>
<Remarks>Remarks>
<IPAddress>0.0.0.0IPAddress>
<DateCreated>2016-02-25T10:22:34.623DateCreated>
<AppID>BOSAppID>
<AppVersion>0.0.3.0AppVersion>
<LastLoggedin>2016-06-23T16:04:07.167LastLoggedin>
Report>
Reports>
Reports>
Note that in this query, the inner SELECT
statement generates the
elements. The outer SELECT
statement generates the
SELECT
statement as a subquery to generate the
element. The TYPE
keyword is used to ensure that the inner SELECT
statement is treated as XML.المزيد من المعلومات
للحصول على النتائج المرغوبة في الاستعلام SQL، يمكنك استخدام عبارة FOR XML
مع الإعدادات الصحيحة. إليك استعلام يولّد النتيجة المطلوبة:
sqlSELECT
'XYZ' AS PrintedBy,
'22/01/2015' AS PrintedDate,
'C:/Img/a.png' AS Image,
'Title' AS Title,
(
SELECT
'123' AS Name,
'' AS UserName,
'' AS Remarks,
'0.0.0.0' AS IPAddress,
'2016-02-24T18:32:11.803' AS DateCreated,
'BOS' AS AppID,
'0.0.3.0' AS AppVersion,
'2016-06-23T16:04:07.167' AS LastLoggedin
FOR XML PATH('Report'), TYPE
) AS Reports
FOR XML PATH('Reports'), ROOT('Reports')
في هذا الاستعلام، تقوم الجملة الداخلية SELECT
بإنشاء عناصر
، بينما تقوم الجملة الخارجية SELECT
بإنشاء عنصر
SELECT
الداخلية كاستعلام فرعي لإنشاء عنصر
.الاستخدام النمطي لهذا النوع من الاستعلامات يكون في إنشاء تقارير أو بيانات محددة بتنسيق XML، مما يسمح بسهولة تحويل البيانات إلى صيغة قابلة للقراءة من قبل التطبيقات الأخرى التي تتعامل مع بيانات XML.