diff --git a/answers/.idea/.gitignore b/answers/.idea/.gitignore
new file mode 100644
index 0000000..0e40fe8
--- /dev/null
+++ b/answers/.idea/.gitignore
@@ -0,0 +1,3 @@
+
+# Default ignored files
+/workspace.xml
\ No newline at end of file
diff --git a/answers/.idea/answers.iml b/answers/.idea/answers.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/answers/.idea/answers.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/answers/.idea/misc.xml b/answers/.idea/misc.xml
new file mode 100644
index 0000000..28a804d
--- /dev/null
+++ b/answers/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="JavaScriptSettings">
+    <option name="languageLevel" value="ES6" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/answers/.idea/modules.xml b/answers/.idea/modules.xml
new file mode 100644
index 0000000..3272c1a
--- /dev/null
+++ b/answers/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/answers.iml" filepath="$PROJECT_DIR$/.idea/answers.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/answers/.idea/vcs.xml b/answers/.idea/vcs.xml
new file mode 100644
index 0000000..6c0b863
--- /dev/null
+++ b/answers/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..0441db3 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City LIKE '_r%';
\ No newline at end of file
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
index e69de29..469618b 100644
--- a/answers/exercise10.sql
+++ b/answers/exercise10.sql
@@ -0,0 +1 @@
+SELECT PostalCode AS Zip FROM Students;
\ No newline at end of file
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
index e69de29..156ca60 100644
--- a/answers/exercise11.sql
+++ b/answers/exercise11.sql
@@ -0,0 +1 @@
+SELECT * FROM Students AS Learners;
\ No newline at end of file
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..ccc321a 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City LIKE '[acs]%';
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..b89d949 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City LIKE '[a-f]%';
\ No newline at end of file
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..fec8164 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City LIKE '[^acf]%';
\ No newline at end of file
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..dde9738 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE Country IN (Sint Marteen, Haiti);
\ No newline at end of file
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..9c98622 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE Country NOT IN (Sint Marteen, Haiti);
\ No newline at end of file
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
index e69de29..1873626 100644
--- a/answers/exercise7.sql
+++ b/answers/exercise7.sql
@@ -0,0 +1 @@
+SELECT * FROM Courses WHERE CreditHours BETWEEN 10 AND 20;
\ No newline at end of file
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
index e69de29..dcdd679 100644
--- a/answers/exercise8.sql
+++ b/answers/exercise8.sql
@@ -0,0 +1 @@
+SELECT * FROM Courses WHERE CreditHours NOT BETWEEN 10 AND 20;
\ No newline at end of file
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
index e69de29..665d98b 100644
--- a/answers/exercise9.sql
+++ b/answers/exercise9.sql
@@ -0,0 +1 @@
+SELECT * FROM Courses ORDER BY CourseName BETWEEN ColdFusion AND Python;
\ No newline at end of file