appengine-java8/spanner/src/main/java/com/example/appengine/spanner/SpannerTasks.java [102:124]:
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  private static void createDatabase(PrintWriter pw)
      throws InterruptedException, ExecutionException {
    Iterable<String> statements =
        Arrays.asList(
            "CREATE TABLE Singers (\n"
                + "  SingerId   INT64 NOT NULL,\n"
                + "  FirstName  STRING(1024),\n"
                + "  LastName   STRING(1024),\n"
                + "  SingerInfo BYTES(MAX)\n"
                + ") PRIMARY KEY (SingerId)",
            "CREATE TABLE Albums (\n"
                + "  SingerId     INT64 NOT NULL,\n"
                + "  AlbumId      INT64 NOT NULL,\n"
                + "  AlbumTitle   STRING(MAX)\n"
                + ") PRIMARY KEY (SingerId, AlbumId),\n"
                + "  INTERLEAVE IN PARENT Singers ON DELETE CASCADE");
    Database db =
        SpannerClient.getDatabaseAdminClient()
            .createDatabase(
                SpannerClient.getInstanceId(), SpannerClient.getDatabaseId(), statements)
            .get();
    pw.println("Created database [" + db.getId() + "]");
  }
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appengine-java11/spanner/src/main/java/com/example/appengine/spanner/SpannerTasks.java [102:124]:
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  private static void createDatabase(PrintWriter pw)
      throws InterruptedException, ExecutionException {
    Iterable<String> statements =
        Arrays.asList(
            "CREATE TABLE Singers (\n"
                + "  SingerId   INT64 NOT NULL,\n"
                + "  FirstName  STRING(1024),\n"
                + "  LastName   STRING(1024),\n"
                + "  SingerInfo BYTES(MAX)\n"
                + ") PRIMARY KEY (SingerId)",
            "CREATE TABLE Albums (\n"
                + "  SingerId     INT64 NOT NULL,\n"
                + "  AlbumId      INT64 NOT NULL,\n"
                + "  AlbumTitle   STRING(MAX)\n"
                + ") PRIMARY KEY (SingerId, AlbumId),\n"
                + "  INTERLEAVE IN PARENT Singers ON DELETE CASCADE");
    Database db =
        SpannerClient.getDatabaseAdminClient()
            .createDatabase(
                SpannerClient.getInstanceId(), SpannerClient.getDatabaseId(), statements)
            .get();
    pw.println("Created database [" + db.getId() + "]");
  }
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