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--></style></head><body lang=DE><div class=WordSection1><p class=MsoNormal>Hey there,</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am using QGIS 2.14.1 (Essen). In order to create a city scenery for a Flight Simulator, I need to process shp-files.</p><p class=MsoNormal>The shape files I use are the shape files of open street map. For a certain city loaded the shp file into QGIS with the name „buildings“. For the Flight Simulator I have to define several „classes“ of buildings using the „type“ attribute of a single shape. As the shape file I downloaded is only poorly descripted (most „types“ are NULL), I want to overwrite the „type“ Attribute with the proper names To make it easy for you, i have the following shape files als QGIS virtual layers:</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraphCxSpFirst style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>„buildings“ (the downloaded shp file -> original layer with all Buildings)</p><p class=MsoListParagraphCxSpMiddle style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>„buildingsTypeA“ (a subset of „Buildings“ with target „type“ „btA“)</p><p class=MsoListParagraphCxSpMiddle style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>„buildingsTypeB“ (a subset of „Buildings“ with target „type“ „btB“)</p><p class=MsoListParagraphCxSpLast style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>„buildingsTypeC“ (a subset of „Buildings“ with target „type“ „btC“)</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The „buildingType“ Layers have been created by selecting the proper shapes in „Buildings“ and copying them into a new virtual layer.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>As every building shape of A, B and C occur in „Buildings“ I tried to write a simple SQL update Statement like this. All the virtual layers have the same structure (osm_id, name, type, geometry)</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>UPDATE buildings</p><p class=MsoNormal>SET type = 'btA‘</p><p class=MsoNormal>WHERE buildings.osm_id IN (SELECT osm_id from buildingsTypeA)</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The same should be done for buildingsTypeA and buildingsTypeA.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>When I exectute the Statement, I get an error: „<span style='font-family:"Courier New,courier",serif'>near "update": syntax error“. Simple SELECT Statements work. To simplify it further I also noticed that e.g the following query resulted in the same error<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New,courier",serif'><o:p> </o:p></span></p><p class=MsoNormal>UPDATE <span style='font-family:"Courier New,courier",serif'>Buildings<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New,courier",serif'>Set type =‘abc‘<o:p></o:p></span></p><p class=MsoNormal>WHERE buildings.osm_id = '12345567‘<span style='font-family:"Courier New,courier",serif'><o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New,courier",serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New,courier",serif'>So my questions are:<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Courier New,courier",serif'><o:p> </o:p></span></p><p class=MsoListParagraphCxSpFirst style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='line-height:105%'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-family:"Courier New,courier",serif'>Does the Database Manager Plugin for QGIS only Support Select Statements (Read Only)?</span><span style='line-height:105%'><o:p></o:p></span></p><p class=MsoListParagraphCxSpMiddle style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='line-height:105%'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='line-height:105%'>If yes, is there a different way to edit the data in batch mode? (round about 5000 buildings have to be updated)<o:p></o:p></span></p><p class=MsoListParagraphCxSpLast style='text-indent:-18.0pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='line-height:105%'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='line-height:105%'>Are there other ways to Access shp-files in a SQL-like manor to perform that UPDATE Statements?<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hope you can help me out here.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best regards,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Stephan<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman",serif'><o:p> </o:p></span></p></div></body></html>