Exam Sda1 completed

Doc/Sda1/Exam/2020/Summer/Solve/Doc/tasks.xml

@@ -374,6 +374,27 @@
       <para>Upload your project using the previous task. Then enter «I'm
       expecting points for my work on the current task» into the text field
       below on this page.</para>
+
+      <para>Points:</para>
+
+      <screen>0/2 Department's name is primary key.
+0/2 Nullable foreign key Department --&gt; Department
+
+  Table Member:
+0/2 nickname is primary key.
+0/1 Non-nullable foreign key Member --&gt; Department
+
+  Table Project:
+0/1 Primary key slug
+0/1 name not nullable
+0/1 visibility not nullable
+0/1 visibility in ('public', 'internal', 'private')
+
+  Table Member2Project:
+0/1 Two not-null foreign keys
+0/1 UNIQUE/Primary key constraint on preceding references
+0/1 Non-nullable role attribute 
+0/1 role  in ('manager', 'guest', 'developer')</screen>
     </section>
   </section>
 

Klausuren/Sda1/2020summer/Solve/Schema/company.xsd

@@ -5,7 +5,7 @@
     <xs:complexType>
       <xs:simpleContent>
         <xs:extension base="xs:string">
-          <xs:attribute name="nickname" type="xs:NMTOKEN"/>
+          <xs:attribute name="nickname" type="xs:NMTOKEN" use="required"/>
         </xs:extension>
       </xs:simpleContent>
     </xs:complexType>