diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/SQL.BuildAndDestroy.iml b/.idea/SQL.BuildAndDestroy.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/SQL.BuildAndDestroy.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/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..639900d
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..9bfba77
--- /dev/null
+++ b/.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/SQL.BuildAndDestroy.iml" filepath="$PROJECT_DIR$/.idea/SQL.BuildAndDestroy.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/answers/exercise1.sql b/answers/exercise1.sql
index e69de29..e139f30 100644
--- a/answers/exercise1.sql
+++ b/answers/exercise1.sql
@@ -0,0 +1 @@
+create SCHEMA myNewDB;
\ No newline at end of file
diff --git a/answers/exercise10.sql b/answers/exercise10.sql
index e69de29..a115acf 100644
--- a/answers/exercise10.sql
+++ b/answers/exercise10.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City IN ('Philadelphia', 'Trenton');
\ No newline at end of file
diff --git a/answers/exercise11.sql b/answers/exercise11.sql
index e69de29..0ec3982 100644
--- a/answers/exercise11.sql
+++ b/answers/exercise11.sql
@@ -0,0 +1 @@
+SELECT * FROM Students ORDER BY City;
diff --git a/answers/exercise12.sql b/answers/exercise12.sql
index e69de29..387247f 100644
--- a/answers/exercise12.sql
+++ b/answers/exercise12.sql
@@ -0,0 +1 @@
+SELECT * FROM Students ORDER BY City DESC;
\ No newline at end of file
diff --git a/answers/exercise13.sql b/answers/exercise13.sql
index e69de29..67086c2 100644
--- a/answers/exercise13.sql
+++ b/answers/exercise13.sql
@@ -0,0 +1 @@
+SELECT * FROM Students ORDER BY Country, City;
diff --git a/answers/exercise14.sql b/answers/exercise14.sql
index e69de29..e562e34 100644
--- a/answers/exercise14.sql
+++ b/answers/exercise14.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE PostalCode IS NULL;
\ No newline at end of file
diff --git a/answers/exercise15.sql b/answers/exercise15.sql
index e69de29..9d7d307 100644
--- a/answers/exercise15.sql
+++ b/answers/exercise15.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE PostalCode IS NOT NULL;
diff --git a/answers/exercise16.sql b/answers/exercise16.sql
index e69de29..c071d8e 100644
--- a/answers/exercise16.sql
+++ b/answers/exercise16.sql
@@ -0,0 +1 @@
+UPDATE Students SET City = 'edinbugh';
diff --git a/answers/exercise17.sql b/answers/exercise17.sql
index e69de29..475bb10 100644
--- a/answers/exercise17.sql
+++ b/answers/exercise17.sql
@@ -0,0 +1 @@
+UPDATE Students SET City = 'Edinburgh' WHERE Country = 'Scotland';
\ No newline at end of file
diff --git a/answers/exercise18.sql b/answers/exercise18.sql
index e69de29..08c9bfe 100644
--- a/answers/exercise18.sql
+++ b/answers/exercise18.sql
@@ -0,0 +1 @@
+UPDATE Students SET City = 'Edinburgh', Country = 'Scotland' WHERE StudentID = 24;
diff --git a/answers/exercise19.sql b/answers/exercise19.sql
index e69de29..cabe9b5 100644
--- a/answers/exercise19.sql
+++ b/answers/exercise19.sql
@@ -0,0 +1 @@
+ DELETE FROM Students WHERE Country = 'Scotland';
diff --git a/answers/exercise2.sql b/answers/exercise2.sql
index e69de29..e7487f3 100644
--- a/answers/exercise2.sql
+++ b/answers/exercise2.sql
@@ -0,0 +1 @@
+DROP DATABASE myNewDB;
\ No newline at end of file
diff --git a/answers/exercise20.sql b/answers/exercise20.sql
index e69de29..8116ac6 100644
--- a/answers/exercise20.sql
+++ b/answers/exercise20.sql
@@ -0,0 +1 @@
+DROP TABLE Students;
\ No newline at end of file
diff --git a/answers/exercise3.sql b/answers/exercise3.sql
index e69de29..86294a9 100644
--- a/answers/exercise3.sql
+++ b/answers/exercise3.sql
@@ -0,0 +1,7 @@
+Create SCHEMA myNewDB
+use myNewDB;
+CREATE TABLE usersO (UserID INT,
+ LastName VARCHAR(255),
+  FirstName VARCHAR(255),
+   Address VARCHAR(255),
+    City VARCHAR(255);
\ No newline at end of file
diff --git a/answers/exercise4.sql b/answers/exercise4.sql
index e69de29..9401765 100644
--- a/answers/exercise4.sql
+++ b/answers/exercise4.sql
@@ -0,0 +1,2 @@
+DROP TABLE usersO;
+
diff --git a/answers/exercise5.sql b/answers/exercise5.sql
index e69de29..c505c2c 100644
--- a/answers/exercise5.sql
+++ b/answers/exercise5.sql
@@ -0,0 +1 @@
+ TRUNCATE TABLE usersO;
\ No newline at end of file
diff --git a/answers/exercise6.sql b/answers/exercise6.sql
index e69de29..c004af0 100644
--- a/answers/exercise6.sql
+++ b/answers/exercise6.sql
@@ -0,0 +1 @@
+ALTER TABLE usersO ADD Birthday DATE;
diff --git a/answers/exercise7.sql b/answers/exercise7.sql
index e69de29..8a078ca 100644
--- a/answers/exercise7.sql
+++ b/answers/exercise7.sql
@@ -0,0 +1 @@
+ALTER TABLE usersO DROP COLUMN Birthday;
diff --git a/answers/exercise8.sql b/answers/exercise8.sql
index e69de29..e0eb2b5 100644
--- a/answers/exercise8.sql
+++ b/answers/exercise8.sql
@@ -0,0 +1,4 @@
+CREATE TABLE Students(  StudentName VARCHAR(60),      Address VARCHAR(60),
+  City VARCHAR(60),      PostalCode VARCHAR(60),      Country VARCHAR(60) );
+
+   INSERT into Students ( StudentName, Address, City, PostalCode, Country) VALUES ('Jane Doe', '57 Union St', 'Glasgow', 'G13RB', 'Scotland');
\ No newline at end of file
diff --git a/answers/exercise9.sql b/answers/exercise9.sql
index e69de29..d4a7398 100644
--- a/answers/exercise9.sql
+++ b/answers/exercise9.sql
@@ -0,0 +1 @@
+SELECT * FROM Students WHERE City NOT IN ("Philadelphia");
\ No newline at end of file