diff --git a/db/3_sem/day_2/introduction_to_security.sql b/db/3_sem/day_2/introduction_to_security.sql
new file mode 100644
index 0000000..0491898
--- /dev/null
+++ b/db/3_sem/day_2/introduction_to_security.sql
@@ -0,0 +1,24 @@
+-- Queuries to create test table and change the permissions of the underpriviledged user
+
+use IBZ;
+
+create table SprechendeTiere
+(
+	ID			int identity(1,1) not null,
+	Tierame		varchar(50)
+	constraint pk_sprechende_tiere primary key (ID)
+);
+
+
+insert into SprechendeTiere(Tierame)
+values ('Einhorn');
+
+-- Grant
+
+grant select on SprechendeTiere to ibzadmin;
+
+grant delete on SprechendeTiere to ibzadmin;
+
+grant update on SprechendeTiere to ibzadmin;
+
+grant all on SprechendeTiere to ibzadmin;
diff --git a/db/3_sem/day_2/underpriviledged_user.sql b/db/3_sem/day_2/underpriviledged_user.sql
new file mode 100644
index 0000000..9e71f1b
--- /dev/null
+++ b/db/3_sem/day_2/underpriviledged_user.sql
@@ -0,0 +1,16 @@
+-- Test Queries for an unprivileged user
+
+use IBZ;
+
+select * from SprechendeTiere;
+
+delete SprechendeTiere
+where Tierame='Einhorn';
+
+update SprechendeTiere
+	set Tierame='Einhörner'
+	where Tierame='Einhorn';
+
+
+insert into SprechendeTiere(Tierame)
+values ('Papagei');
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