diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..09917f3 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1,3 @@
+
+SELECT * FROM Students
+ WHERE city LIKE '_a%'; 
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..8f56e21 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students 
+WHERE city LIKE '[acs]%';
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..7f994da 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students 
+WHERE city BETWEEN 'a%' AND 'f%';
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..397f955 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students 
+WHERE city NOT LIKE '[acf]%';
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..da03534 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students 
+WHERE city IN ('Sint Maarten','Haiti');
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..6a992f9 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Students
+WHERE City NOT IN ('Sint Maarten', 'Haiti');
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
index e69de29..a60a62e 100644
--- a/answers/exercise7.sql
+++ b/answers/exercise7.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Courses 
+WHERE CreditHours BETWEEN 10 AND 20; 
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
index e69de29..6a424c4 100644
--- a/answers/exercise8.sql
+++ b/answers/exercise8.sql
@@ -0,0 +1,3 @@
+SELECT * FROM Courses
+WHERE CreditHours NOT BETWEEN 10 AND 20;
+
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
index e69de29..054ddbd 100644
--- a/answers/exercise9.sql
+++ b/answers/exercise9.sql
@@ -0,0 +1,2 @@
+SELECT * FROM Courses
+WHERE CourseName BETWEEN 'ColdFusion' AND 'Python';
diff --git a/exercise10.sql b/exercise10.sql
new file mode 100644
index 0000000..91eeb42
--- /dev/null
+++ b/exercise10.sql
@@ -0,0 +1 @@
+SELECT PostalCode AS Zip FROM Students;
diff --git a/exercise11.sql b/exercise11.sql
new file mode 100644
index 0000000..989df60
--- /dev/null
+++ b/exercise11.sql
@@ -0,0 +1 @@
+SELECT * FROM Students Learners;