diff --git a/Doc/Common/glossary.xml b/Doc/Common/glossary.xml
index 257b79f7106494bd0675d1e1468c1b55877a39d1..451dbf9d7b45e6591c1418f6a814cca33c1b31ec 100644
--- a/Doc/Common/glossary.xml
+++ b/Doc/Common/glossary.xml
@@ -773,7 +773,16 @@
             <glossdef>
               <para><link
               xlink:href="https://www.mysql.com/about/legal/trademark.html">The
-              <acronym>Mysql</acronym> database server product</link></para>
+              <acronym>Mysql</acronym> database server</link></para>
+            </glossdef>
+          </glossentry>
+
+          <glossentry xml:id="glo_Soft_Postgresql">
+            <glossterm><trademark>Postgresql</trademark></glossterm>
+
+            <glossdef>
+              <para><link xlink:href="https://www.postgresql.org">The
+              <acronym>Postgresql</acronym> database server</link></para>
             </glossdef>
           </glossentry>
 
diff --git a/Doc/Sda1/jdbc.xml b/Doc/Sda1/jdbc.xml
index ddd18b33c00de0886b3a6e3a70d0ba229318feb0..5e429cbc479b3d923705d26816cb503f01876fdc 100644
--- a/Doc/Sda1/jdbc.xml
+++ b/Doc/Sda1/jdbc.xml
@@ -1063,11 +1063,11 @@ ResourceBundle jdbcProperties = ResourceBundle.getBundle("<emphasis role="red">j
 
             <itemizedlist>
               <listitem>
-                <para>Opening database connection</para>
+                <para>Open database connection</para>
               </listitem>
 
               <listitem>
-                <para>Erase and re-create a desired schema.</para>
+                <para>Create a required schema.</para>
               </listitem>
 
               <listitem>
@@ -1077,13 +1077,22 @@ ResourceBundle jdbcProperties = ResourceBundle.getBundle("<emphasis role="red">j
           </listitem>
 
           <listitem>
-            <para><emphasis role="red">Test:</emphasis> Executing <xref
+            <para><emphasis role="red">Test:</emphasis> Execute <xref
             linkend="glo_JDBC"/> CRUD / SELECT operations.</para>
           </listitem>
 
           <listitem>
-            <para><emphasis role="red">Tear down:</emphasis> Close database
-            connection.</para>
+            <para><emphasis role="red">Tear down:</emphasis></para>
+
+            <itemizedlist>
+              <listitem>
+                <para>Drop schema</para>
+              </listitem>
+
+              <listitem>
+                <para> Close database connection.</para>
+              </listitem>
+            </itemizedlist>
           </listitem>
         </orderedlist>
       </figure>
@@ -1143,7 +1152,7 @@ ResourceBundle jdbcProperties = ResourceBundle.getBundle("<emphasis role="red">j
         <programlisting language="xml">&lt;dependency&gt;
   &lt;groupId&gt;org.springframework&lt;/groupId&gt;
   &lt;artifactId&gt;spring-jdbc&lt;/artifactId&gt;
-  &lt;version&gt;5.1.4.RELEASE&lt;/version&gt;
+  &lt;version&gt;5.1.5.RELEASE&lt;/version&gt;
   <emphasis role="red">&lt;scope&gt;test&lt;/scope&gt;</emphasis>
 &lt;/dependency&gt;</programlisting>
       </figure>
diff --git a/Doc/Sda1/prerequisites.xml b/Doc/Sda1/prerequisites.xml
index 79c010aa4633e77b3c97066577d621f12fcba4d0..90e62ad936347481bbeadbbbe22b1998dcbe8265 100644
--- a/Doc/Sda1/prerequisites.xml
+++ b/Doc/Sda1/prerequisites.xml
@@ -180,6 +180,33 @@
       </informaltable>
     </figure>
 
+    <section xml:id="sda1_sect_setupPostgresql">
+      <title><productname
+      xlink:href="https://www.postgresql.org">Postgresql</productname>
+      database components</title>
+
+      <figure xml:id="sda1_fig_installPostgresql">
+        <title>Installing <xref linkend="glo_Soft_Postgresql"/></title>
+
+        <para>Installation references:</para>
+
+        <itemizedlist>
+          <listitem>
+            <para><link
+            xlink:href="https://www.digitalocean.com/community/tutorials/how-to-install-and-use-postgresql-on-ubuntu-18-04">How
+            To Install and Use PostgreSQL on Ubuntu 18.04</link></para>
+          </listitem>
+
+          <listitem>
+            <para><link
+            xlink:href="https://blog.2ndquadrant.com/how-to-safely-change-the-postgres-user-password-via-psql">How
+            to safely change the “postgres” user password via
+            “psql”</link></para>
+          </listitem>
+        </itemizedlist>
+      </figure>
+    </section>
+
     <section xml:id="sda1_sect_setupMysql">
       <title><productname
       xlink:href="https://www.mysql.com">Mysql</productname> Database
diff --git a/P/Sda1/Jdbc/Insert/MinimumTest/pom.xml b/P/Sda1/Jdbc/Insert/MinimumTest/pom.xml
index cd88c7b50b115108a90a476ab3cd9eff8b8dee8d..98a8d1f9eb1703273c0802e21e78348ca5236ec0 100644
--- a/P/Sda1/Jdbc/Insert/MinimumTest/pom.xml
+++ b/P/Sda1/Jdbc/Insert/MinimumTest/pom.xml
@@ -25,9 +25,9 @@
         </dependency>
 
         <dependency>
-            <groupId>mysql</groupId>
-            <artifactId>mysql-connector-java</artifactId>
-            <version>8.0.8-dmr</version>
+            <groupId>postgresql</groupId>
+            <artifactId>postgresql</artifactId>
+            <version>9.1-901-1.jdbc4</version>
             <scope>runtime</scope>
         </dependency>
 
diff --git a/P/Sda1/Jdbc/Insert/MinimumTest/src/main/java/de/hdm_stuttgart/sda1/insert/SimpleInsert.java b/P/Sda1/Jdbc/Insert/MinimumTest/src/main/java/de/hdm_stuttgart/sda1/insert/SimpleInsert.java
index d99407c2a87ba7ffe36ae657d4fa80711131a891..ce93374b3065c5c35d17be4175df4b8d74115e45 100644
--- a/P/Sda1/Jdbc/Insert/MinimumTest/src/main/java/de/hdm_stuttgart/sda1/insert/SimpleInsert.java
+++ b/P/Sda1/Jdbc/Insert/MinimumTest/src/main/java/de/hdm_stuttgart/sda1/insert/SimpleInsert.java
@@ -89,7 +89,7 @@ public class SimpleInsert {
    * @param email Person's email
    * @return Inserted reord count: 1 on successful INSERT, 0 in case of duplicate email violating UNIQUE constraint.
    *
-   * @throws SQLException To be thrown in case of non - {@link SQLIntegrityConstraintViolationException}
+   * @throws SQLException In case e.g. of constraint violation
    * errors.
    */
   static public int insertPerson(final Statement statement, final String name, final String email)
@@ -97,11 +97,6 @@ public class SimpleInsert {
     final String sql = "INSERT INTO Person VALUES('" + name + "', '" + email + "')";
     log.info("Executing »" + sql + "«");
 
-    try {
-      return statement.executeUpdate(sql);
-    } catch (final SQLIntegrityConstraintViolationException ex) {
-      log.info("Constraint violation, possibly inserting duplicate email '" + email + "'");
-      return 0;
-    }
+    return statement.executeUpdate(sql);
   }
 }
\ No newline at end of file
diff --git a/P/Sda1/Jdbc/Insert/MinimumTest/src/main/resources/jdbc.properties b/P/Sda1/Jdbc/Insert/MinimumTest/src/main/resources/jdbc.properties
index 47fb0a5aef5dcd82f5a988fac4a20fd8af5f5f59..39599462cb25c91aa24a81743fdf6222487c2bcb 100644
--- a/P/Sda1/Jdbc/Insert/MinimumTest/src/main/resources/jdbc.properties
+++ b/P/Sda1/Jdbc/Insert/MinimumTest/src/main/resources/jdbc.properties
@@ -1,3 +1,3 @@
-jdbcurl=jdbc:mysql://localhost:3306/hdm?allowMultiQueries=true&serverTimezone=UTC
+jdbcurl=jdbc:postgresql://localhost/hdm
+username=hdmuser
 password=XYZ
-username=hdmuser
\ No newline at end of file
diff --git a/P/Sda1/Jdbc/Insert/MinimumTest/src/test/java/de/hdm_stuttgart/sda1/insert/InsertTest.java b/P/Sda1/Jdbc/Insert/MinimumTest/src/test/java/de/hdm_stuttgart/sda1/insert/InsertTest.java
index 85bf9b894a5ef7f1488c4d22e9255f0e66ba6686..2bfec3801be417d0f303de7b7fd5f89a0fb04e20 100644
--- a/P/Sda1/Jdbc/Insert/MinimumTest/src/test/java/de/hdm_stuttgart/sda1/insert/InsertTest.java
+++ b/P/Sda1/Jdbc/Insert/MinimumTest/src/test/java/de/hdm_stuttgart/sda1/insert/InsertTest.java
@@ -15,7 +15,7 @@ import java.util.ResourceBundle;
  * Testing insert operations.
  */
 
-@FixMethodOrder(MethodSorters.NAME_ASCENDING) // SQL inserts require fixed execution order.
+@FixMethodOrder(MethodSorters.NAME_ASCENDING) // Subsequent SQL inserts require fixed execution order.
 @SuppressWarnings({"UnusedDeclaration"})
 public class InsertTest {
 
@@ -57,7 +57,7 @@ public class InsertTest {
    * Insert fails due to UNIQUE constraint on email value »jill@programmer.org«
    *
    */
-  @Test
+  @Test (expected = SQLException.class) // Duplicate key
   public void test_030_insertJillAgain() throws SQLException {
     Assert.assertEquals(0, SimpleInsert.insertPerson(stmt, "Jill", "jill@programmer.org"));
   }