/usr/share/GNUstep/DBModeler.app/SQLGenerator.gsmarkup is in gnustep-dl2 0.12.0-13.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97  | <?xml version="1.0"?> 
<!DOCTYPE gsmarkup> 
<gsmarkup> 
	<objects>
		<window title="SQL Generation" id="sqlgenWindow" resizable="no">
			<vbox leftPadding="10" padding="10">
				<box title="SQL Generation Options" topPadding="10"
					leftPadding="15" rightPadding="15" width="425">
					<hbox halign="wexpand">
						<vbox halign="left" valign="wexpand">
							<button id="dropDatabase" title="Drop Database"
								type="switch" halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
							<button id="dropTables" title="Drop Tables"
								type="switch" halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
							<vspace />
							<button id="dropPKSupport"
								title="Drop Primary Key Support" type="switch"
								halign="left" valign="bottom"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
						</vbox>
						<hspace />
						<vbox halign="right" valign="top">
							<button id="createDB" title="Create Database"
								type="switch" halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
							<button id="createTables" title="Create Tables"
								type="switch" halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
							<button id="createPKConstraints"
								title="Primary Key Constraints" type="switch"
								halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
							<button id="createFKConstraints"
								title="Foreign Key Constraints" type="switch"
								halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
							<button id="createPKSupport"
							   	title="Create Primary Key Support"
								type="switch" halign="left" valign="top"
								action="switchChanged:" target="#NSOwner"
								padding="1.5" />
						</vbox>
					</hbox>
				</box>
				<scrollView width="425" height="300"
					borderType="bezel" leftPadding="15" rightPadding="15"
					hasHorizontalScroller="no">
					<textView id="sqlOutput"/>
				</scrollView>
				<hbox halign="left" padding="8">
					<button id="executeSQL" title="Execute SQL"
						type="momentaryPushIn" halign="left" valign="center"
						action="executeSQL:" target="#NSOwner" width="115"
						leftPadding="5" />
					<button id="saveAs" title="Save As..."
						type="momentaryPushIn" halign="left" valign="center"
						action="saveAs:" target="#NSOwner" width="100" />
					<button id="tables" title="Tables..."
						type="momentaryPushIn" halign="left" valign="center"
						action="showTables:" target="#NSOwner" width="100" />
				</hbox>
			</vbox>
		</window>
	</objects>
	<connectors>
		<outlet source="#NSOwner" target="#sqlgenWindow" key="window"/>
		<outlet source="#NSOwner" target="#dropDatabase"
			key="dropDatabaseSwitch" />
		<outlet source="#NSOwner" target="#createDB"
			key="createDatabaseSwitch"/>
		<outlet source="#NSOwner" target="#dropTables"
			key="dropTablesSwitch"/>
		<outlet source="#NSOwner" target="#createTables"
		   	key="createTablesSwitch"/>
		<outlet source="#NSOwner" target="#dropPKSupport"
		   	key="dropPKSwitch"/>
		<outlet source="#NSOwner" target="#createPKSupport"
		   	key="createPKSwitch"/>
		<outlet source="#NSOwner" target="#createPKConstraints"
		   	key="createPKConstraintsSwitch" />
		<outlet source="#NSOwner" target="#createFKConstraints"
		   	key="createFKConstraintsSwitch" />
		<outlet source="#NSOwner" target="#sqlOutput" key="sqlOutput"/>
	</connectors>
</gsmarkup>
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